Show You Are Wise Beyond Your Years With This Science For Young People Quiz!
Written by Daniel Rackley
Last updated · 21 min play time
For kids to have a good grasp of the world, they have to have a good grasp of scientific principles. This is why they need to be taught well from a very young age. Take this quiz and see what you know about what kids should be learning about science in school!
Quiz written by
Daniel RackleyScience For Kids Quiz Questions
69 Questions · 1.2K Plays · 3 Comments
Question 1
What scientific theory is associated with Charles Darwin?
-
ATheory of evolution
-
BCircumnavigation
-
CClimate change theory
-
DGravity
Theory of evolution
Charles Darwin suggested that "survival of the fittest" was the basis for organic evolution (the change of living things with time). His scientific theory of evolution by natural selection became the foundation of modern evolutionary studies.
Question 2
What is migration?
-
AAging
-
BChange from one form to another
-
CHibernation
-
DMovement from one place to another
Movement from one place to another
For example, an animal migration is the physical movement by animals from one area to another, like is done annually by monarch butterflies and many species of bird.
Question 3
The scientific term for where an organism lives.
-
AHabitat
-
BOcean
-
CTree
-
DGrass
Habitat
Habitat is the place or environment where a plant or animal naturally or normally lives and grows.
Question 4
What equipment is best for viewing cells?
-
APeriscope
-
BStethoscope
-
CTelescope
-
DMicroscope
Microscope
A microscope is an instrument that magnifies objects, enabling visibility of 1,000 times or more than what can be seen by the naked eye. The first one was invented by Zacharias Janssen in 1590.
Question 5
What is the force that pulls any two objects toward each other?
-
AWeight
-
BVolume
-
CGravity
-
DElectricity
Gravity
Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planets in orbit around the sun.
Question 6
A species on the brink of extinction is called _____.
-
AExotic
-
BEndangered
-
CThreatened
-
DCommon
Endangered
Endangered species is any species of plant, animal, or other organism that is at risk of extinction because of a sudden rapid decrease in its population or a loss of its critical habitat.
Question 7
Which of these words means "protecting resources"?
-
ARotation
-
BPollution
-
CAgriculture
-
DConservation
Conservation
Conservation is a careful use and protection of something, including planned management of a natural resource and wildlife.
Question 8
What is the term for an animal that primarily eats meat?
-
AHerbivore
-
BCarnivore
-
COmnivore
-
DPredator
Carnivore
Carnivores subsist primarily on an all-meat diet. Herbivores eat primarily plants. And omnivores, like humans, can eat a balanced diet of both.
Question 9
What are germs?
-
AInsects
-
BPlants
-
CMicroscopic organisms
-
DDiseases
Microscopic organisms
Some people may think that germs are bugs or cooties or other gross stuff. Actually, germs are tiny organisms, or living things, that can cause disease.
Question 10
What organ works with your heart to supply your body with oxygen?
-
ABrain
-
BStomach
-
CLungs
-
DKidney
Lungs
The right side of the heart collects and pumps blood to the lungs through the pulmonary arteries. The lungs refresh the blood with a new supply of oxygen, making it turn red.
Question 11
Structures too small to be easily seen with the naked eye are _______.
-
AHeteroscopic
-
BMicroscopic
-
CMacroscopic
-
DEndoscopic
Microscopic
A microscope is an optical instrument consisting of a lens or combination of lenses for making enlarged images of tiny objects.
Question 12
What is the Periodic Table?
-
AAn arrangement of elements based on atomic number
-
BA list of elements not yet discovered
-
CA table that is not often used
-
DA group of periods
An arrangement of elements based on atomic number
The Periodic Table arranges all the known elements left to right and top to bottom in order of increasing atomic number. Order generally coincides with increasing atomic mass.
Question 13
What is lightning?
-
AGravity
-
BSolar energy
-
CElectricity
-
DMagnetism
Electricity
Lightning is an electrical discharge caused by imbalances between storm clouds and the ground, or within the clouds themselves.
Question 14
What is the process of liquid changing into gas?
-
AFreezing
-
BChilling
-
CVaporization
-
DMelting
Vaporization
Vaporization is the process of converting a liquid into a gas.
Question 15
In what state of matter is water when it is frozen into ice?
-
AGas
-
BPlasma
-
CSolid
-
DLiquid
Solid
Ice is frozen water. When water freezes, its molecules move farther apart so ice will be lighter than the same volume of water.
Question 16
Matter is anything that has ____ and takes up space.
-
ADNA
-
BMass
-
CAtoms
-
DProtons
Mass
Mass is a quantitative measure in physics of inertia, a fundamental property of all matter. It is, in effect, the resistance that a body of matter offers to a change in its speed or position upon the application of a force. The greater the mass of a body, the smaller the change produced by an applied force.
Question 17
Which of these do you add to baking soda to make a model volcano erupt?
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ALava
-
BCheez Whiz
-
CVinegar
-
DMentos
Vinegar
Baking soda and vinegar make a basic chemical reaction that increases the volume of the mixture and makes it shoot out the top of your model volcano in a fun and messy way.
Question 18
What are the regions where the magnetic force exerted by a magnet is strongest?
-
AAnodes
-
BMagnetic poles
-
CElectrodes
-
DCathodes
Magnetic poles
The magnetic pole is the area at each end of a magnet where the external magnetic field is strongest. A bar magnet suspended in Earth's magnetic field orients itself in a North-South direction.
Question 19
A Ferris wheel is an example of what kind of simple machine?
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AIncline plane
-
BLever
-
CFixed pulley
-
DWheel and axle
Wheel and axle
More than 100,000 parts went into the first Ferris wheel in 1893, notably an 89,320 pound axle that had to be hoisted onto two towers 140 feet in the air. Over the next 19 weeks, more than 1.4 million people paid 50 cents for a 20 minute ride.
Question 20
Which of these does eating food provide to a person?
-
ADark Matter
-
BSunlight
-
CEnergy
-
DTime
Energy
The major nutrients - protein, carbohydrate, and fat - provide the body with energy. Without it, you'll wither away, which is why we need food.
Question 21
Which adaptation enables organisms to hide from predators?
-
AMimicry
-
BEvolution
-
CMutation
-
DCamouflage
Camouflage
Camouflage varies. Several animal species, including scorpionfish and leaf frogs, can change their appearance to match their surroundings. Others can make themselves appear to be something boring, like the walking stick, which looks very much like a twig.
Question 22
Oceans and forests are examples of ______.
-
APopulations
-
BEcosystems
-
CCommunities
-
DBiospheres
Ecosystems
An ecosystem is the sum of both the living (biotic) and nonliving (abiotic) components of a natural community.
Question 23
Rain, sleet, hail and snow are all forms of what?
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AFish
-
BTranspiration
-
CPrecipitation
-
DGas
Precipitation
Precipitation is water released from clouds in the form of rain, freezing rain, sleet, snow, or hail. Most precipitation falls as rain.
Question 24
What is the role of white blood cells?
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ATo defend and protect the body against invaders
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BTo help with clotting
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CTo give blood its red color
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DTo carry nutrients to the heart
To defend and protect the body against invaders
There are about 600 to 700 red blood cells for every white blood cell. White blood cells are prepared to fight infections at a moment's notice. When they reach an infection, they release substances that attract more white blood cells to surround and destroy it.
Question 25
How big is a normal, healthy adult heart?
-
AThe size of a peanut
-
BThe size of a pineapple
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CThe size of a ping pong ball
-
DThe size of a closed fist
The size of a closed fist
The size of your heart can vary depending on your age, size, and the condition of your heart. Some diseases can cause the heart to enlarge.
Question 26
In general, as the ___ increases, the temperature gets colder.
-
ADensity
-
BAltitude
-
CPrecipitation
-
DSalinity
Altitude
As you climb a mountain, you can expect the air temperature to decrease by 6.5 degrees C for every 1000 meters you gain.
Question 27
Any variation that makes an organism better suited to its environment is known as ____.
-
AMutation
-
BHibernation
-
CVariation
-
DAdaptation
Adaptation
Adaptation, in biology, is a process by which an animal or plant species becomes fitted to its environment.
Question 28
What is an organic compound made of sugar molecules?
-
ACarbohydrate
-
BNucleic acid
-
CLipid
-
DProtein
Carbohydrate
Carbohydrates (also called saccharides) are molecular compounds made from just three elements: carbon, hydrogen and oxygen. Monosaccharides (e.g. glucose) and disaccharides (e.g. sucrose) are relatively small molecules. They are often called sugars. Other carbohydrate molecules are very large (polysaccharides such as starch and cellulose).
Question 29
Salmon mating is an example of what behavior?
-
AReflex
-
BConditioned
-
CInstinct
-
DLearned
Instinct
Instinct is an inborn impulse or motivation to action typically performed in response to specific external stimuli. It's generally described as an apparently unlearned, genetically determined behavior pattern.
Question 30
A synthesis of information used to explain a phenomenon is called a ________.
-
AExamination
-
BTheory
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CData
-
DPostulate
Theory
A theory is a general principle or set of principles that explains facts or events of the natural world or an idea that is the starting point for an investigation.
Question 31
What is the "brain" of the cell?
-
ARibosome
-
BNucleus
-
CDNA
-
DMembrane
Nucleus
The cell nucleus acts like the brain of the cell. It helps control eating, movement, and reproduction. If it happens in a cell, chances are the nucleus knows about it.
Question 32
Which part of a plant absorbs water and nutrients?
-
AStem
-
BFlowers
-
CRoots
-
DLeaves
Roots
Tiny root hairs stick out of the root, helping in the absorption. Roots help to anchor the plant in the soil so it does not fall over. They also store extra food for future use.
Question 33
How many chambers is your heart divided into?
-
A4
-
B3
-
C5
-
D2
4
The heart has two upper chambers (the right and left atria) and two lower chambers (the right and left ventricles). The right side of your heart pumps oxygen-poor blood to your lungs; the left side receives oxygen-rich blood from the lungs and sends it through the aorta to the rest of your body.
Question 34
Which of these orbits the Earth?
-
AThe moon
-
BThe sun
-
CThe stars
-
DJupiter
The moon
The fifth largest moon in the solar system, Earth's moon is the only place beyond Earth where humans have set foot.
Question 35
What is a group or organisms that can interbreed and produce fertile offspring?
-
ACommunity
-
BKingdom
-
CSpecies
-
DPopulation
Species
Species is a classification in biology comprising related organisms that share common characteristics and are capable of interbreeding. Every species is assigned a standard two-part name of genus and species.
Question 36
Blood flows back to your heart from the lungs through _____.
-
AKidneys
-
BPulmonary veins
-
CRibcage
-
DVentricles
Pulmonary veins
Oxygen-rich blood from your lungs passes through the pulmonary veins into the heart.
Question 37
Which phrase best defines science?
-
AA study of mechanics
-
BA study of living bodies
-
CUsing thinking and practical skills to understand our world
-
DA body of skills related to life and death
Using thinking and practical skills to understand our world
Science is a process of discovery that allows us to link isolated facts into coherent and comprehensive understandings of the natural world.
Question 38
What kind of diagram includes the symbol for an element surrounded by dots?
-
AElectron dot diagram
-
BBar graph
-
CPeriodic table
-
DGrid
Electron dot diagram
An electron dot diagram is a method of writing the chemical symbol of an element by surrounding it with dots to indicate the number of valence electrons. Valence electrons are found in an atom's outer shell and are the ones involved in chemical reactions.
Question 39
Which of these can you use to separate certain metals from one another?
-
ASunlight
-
BMagnet
-
CEvaporation
-
DWater
Magnet
The magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, and attracts or repels other magnets.
Question 40
About three-quarters of the energy used by the United States comes from _____.
-
AHydroelectric power
-
BFossil fuels
-
CSolar power
-
DGeothermal power
Fossil fuels
Fossil fuels include coal, petroleum (oil), and natural gas. Today, the most common products derived from oil are found in the energy sector: gasoline, heating oil, aviation fuels and diesel fuel. Oil is also the key ingredient in tens of thousands of consumer goods, including ink, plastic, dishwashing liquids, crayons, eyeglasses, deodorants, tires, ammonia, and heart valves.
Question 41
What is the smallest part of an element?
-
AAtom
-
BMineral
-
CMolecule
-
DDNA
Atom
Atoms are the basic building blocks of ordinary matter. Atoms can join together to form molecules, which in turn form most of the objects around you.
Question 42
What does the gravitational pull of the Earth's moon and sun generate in the ocean?
-
ADensity
-
BWaves
-
CTurbulence
-
DTides
Tides
Gravity is one major force that creates tides. In 1687, Sir Isaac Newton explained that ocean tides result from the gravitational attraction of the sun and moon on the oceans of the earth .
Question 43
What is a physical property of matter?
-
AReactivity
-
BBoiling point
-
CTexture
-
DBehavior
Texture
Physical properties include density, appearance, texture, color, odor, melting point, and boiling point.
Question 44
What is stored in a cell nucleus?
-
AEnzymes
-
BDNA
-
CATP
-
DProtein
DNA
DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person's body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria.
Question 45
Which of the following is a stimulus?
-
ADarkness
-
BSound
-
CGravity
-
DAll of the above
All of the above
A stimulus is an agent (such as an environmental change) that directly influences the activity of a living organism or one of its parts.
Question 46
In what state of matter do molecules bounce off one another rapidly and act freely?
-
ALiquid
-
BGas
-
CPlasma
-
DSolid
Gas
Air particles vibrate and move freely at high speeds.
Question 47
The "Ring of Fire" refers to ____.
-
AForest fires
-
BThe ocean floor
-
CThe volcanoes surrounding the Pacific Ocean
-
DAn active erupting volcano
The volcanoes surrounding the Pacific Ocean
The Ring of Fire is a string of volcanoes and sites of seismic activity, or earthquakes, around the edges of the Pacific Ocean. Roughly 90% of all earthquakes occur along the Ring of Fire, and the ring is dotted with 75% of all active volcanoes on Earth.
Question 48
What is a hypothesis?
-
AA tentative assumption
-
BA result
-
CAn estimate
-
DA scientific law
A tentative assumption
A hypothesis is something not proven but assumed to be true for purposes of argument or further study or investigation. They are then tested through experimentation.
Question 49
What is the minimum amount of energy necessary for a chemical reaction?
-
AActivation energy
-
BActivation speed
-
CMass
-
DMotion ratio
Activation energy
Activation energy, in chemistry, is the minimum amount of energy that is required to activate atoms or molecules to a condition in which they can undergo chemical transformation or physical transport.
Question 50
What is the class that contains scorpions, spiders, ticks and mites?
-
AInsects
-
BMyriapods
-
CCrustaceans
-
DArachnids
Arachnids
Arachnids are any of a class of arthropods having a segmented body divided into two regions of which the front part bears four pairs of legs but no antennae.
Question 51
What is a producer?
-
AAny organism that obtains energy from other organisms
-
BAny organism
-
CAny organism that produces its own food
-
DAny organism that obtains energy
Any organism that produces its own food
All living organisms (plants and animals) must eat some type of food for survival. Plants make their own food through a process called photosynthesis and are called producers.
Question 52
What is the first step to the scientific method?
-
ACollect and analyze data
-
BConduct experiment
-
CState the problem to be investigated
-
DDraw a conclusion
State the problem to be investigated
Scientific testing involves figuring out what we would expect to observe if an idea were correct and comparing that expectation to what we actually observe.
Question 53
What do mitochondria do?
-
AStore food
-
BMove materials
-
CConvert food into energy
-
DMake protein
Convert food into energy
Mitochondrial division is stimulated by energy demand, so cells with an increased need for energy contain greater numbers of these organelles than cells with lower energy needs.
Question 54
Which organic compound is a source of stored energy in living things?
-
AAll of the above
-
BProteins
-
CLipids
-
DCarbohydrates
All of the above
Carbohydrates are formed by green plants from carbon dioxide and water during the process of photosynthesis. Carbohydrates serve as energy sources and as essential structural components in organisms and even part of the structure of nucleic acids, which contain genetic information.
Question 55
Where does gestation occur?
-
APlacenta
-
BUmbilical cord
-
COvaries
-
DUterus
Uterus
The fertilized egg stays in the fallopian tube for about 3 to 4 days. But within 24 hours of being fertilized, it starts dividing fast into many cells. It keeps dividing as it moves slowly through the fallopian tube to the uterus. Its next job is to attach to the lining of uterus. This is called implantation.
Question 56
Biology is the study of _____.
-
ALife
-
BCells
-
CPlants
-
DAnimals
Life
Biology is the study of living things and their vital processes.
Question 57
Sedimentary rocks form _______.
-
AFrom existing rocks
-
BAll of the above
-
CWhen sediment is pressed together
-
DIn layers
All of the above
Sedimentary rocks are formed from pre-existing rocks or pieces of once-living organisms. They form from deposits that accumulate on the Earth's surface. Sedimentary rocks often have distinctive layering or bedding.
Question 58
Where is a proton located?
-
AOutside of the cell
-
BOutside the nucleus
-
CIn the nucleus
-
DIn the membrane
In the nucleus
Protons and neutrons are heavier than electrons and reside in the center of the atom, which is called the nucleus. Electrons are extremely lightweight and exist in a cloud orbiting the nucleus.
Question 59
What is a kind of non-foliated metamorphic rock?
-
AErosion
-
BMarble
-
CSlate
-
DLimestone
Marble
Non-foliated metamorphic rocks such as hornfels, marble, quartzite, and novaculite do not have a layered or banded appearance.
Question 60
What is the theory that life could spring from nonliving matter?
-
ASponteneous generation
-
BAsexual reproduction
-
CHomeostasis
-
DEvolution
Sponteneous generation
Spontaneous generation, the hypothetical process by which living organisms develop from nonliving matter, does not exist. Life produces life.
Question 61
What is the most popular idea about how the moon formed?
-
ACapture theory
-
BFormation theory
-
CImpact theory
-
DMagnet theory
Impact theory
Since the 1970s, the 'Giant Impact' theory has suggested that a Mars-sized object named Theia smashed into Earth around 4.31 billion years ago, knocking a huge cloud of debris into space which eventually coalesced to form the Moon. A new theory suggests the moon may have formed through the merging of 20 smaller 'moonlets' following asteroid strikes on the young Earth.
Question 62
What is the single super land mass positioned by Wegener's continental drift hypothesis?
-
AGondwana
-
BLaurasia
-
CEurasia
-
DPangaea
Pangaea
Pangaea is a hypothetical land area believed to have once connected the landmasses of the Southern Hemisphere with those of the Northern Hemisphere.
Question 63
How does carbon enter the soil?
-
AThrough cellular respiration
-
BThrough dead organisms
-
CThrough photosynthesis
-
DThrough combustion
Through dead organisms
While some of our human-produced carbon dioxide emissions are absorbed by the ocean and land plants, around half of our carbon dioxide emissions remain in the air. Carbon is found in soil from dead and decaying animals and animal waste.
Question 64
What is an ionic bond?
-
AThe attraction between neutral ions
-
BThe attraction between oppositely charged ions
-
CThe attraction between neutral atoms
-
DThe attraction between similarly charged ions
The attraction between oppositely charged ions
An ionic bond is a chemical attraction or bond formed between ions of opposite charge attract.
Question 65
What is a solar eclipse?
-
AWhen the Earth is directly between the moon and sun.
-
BWhen the sun is completely blocked by the moon.
-
CWhen the moon passes between Earth and the sun, blocking the sunlight from reaching Earth.
-
DWhen part of the sun is visible from Earth.
When the moon passes between Earth and the sun, blocking the sunlight from reaching Earth.
During a solar eclipse, the moon casts two shadows on Earth. The first shadow is called the umbra. This shadow gets smaller as it reaches Earth. It is the dark center of the moon's shadow. The second shadow is called the penumbra. The penumbra gets larger as it reaches Earth. People standing in the penumbra will see a partial eclipse. People standing in the umbra will see a total eclipse.
Question 66
What is Earth's outermost sphere?
-
AHydrosphere
-
BLithosphere
-
CBiosphere
-
DAtmosphere
Atmosphere
The Earth is a sphere with a roughly 8,000 mile diameter. The thickness of the atmosphere is about 60 miles. If the Earth were the size of a basketball, the thickness of the atmosphere could be modeled by a thin sheet of plastic wrapped around the ball.
Question 67
How many main fins do great white sharks have?
-
A3
-
B1
-
C2
-
D5
3
The great white shark has two pectoral fins and a first dorsal fin with a triangle shape.
Question 68
What are rocks that change due to pressure, temperature or hot fluids?
-
ACrystal
-
BIgneous
-
CMetamorphic
-
DCement
Igneous
Igneous rocks (from the Greek word for fire) form when hot, molten rock crystallizes and solidifies. The melt originates deep within the Earth near active plate boundaries or hot spots, then rises toward the surface.
Question 69
Where can you find your pulse?
-
AOn the inner wrist of either arm
-
BOn your legs
-
COn your palm
-
DOn your forehead
On the inner wrist of either arm
To find your pulse, gently place your index and middle fingers on the artery located on the inner wrist of either arm, below your thumb. You should feel a pulsing or tapping against your fingers. Using a seconds timer, count the number of pulses you feel in 30 seconds. Double that number to get your heart rate or pulse for one minute.
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