Matter
When sugar is dissolved in water, what happens to the sugar?
A. It disappears completely
B. It turns into a gas
C. It is still present but spread out in the water
D. It changes into a new substance
C. It is still present but spread out in the water
What can a force do to an object?
A. Only change its color
B. Only make it smaller
C. Change its motion or shape
D. Make it disappear
C. Change its motion or shape
What is the main source of energy for most ecosystems?
A. Water
B. Soil
C. The Sun
D. Air
C. The Sun
Which of Earth’s systems includes all living things?
A. Geosphere
B. Hydrosphere
C. Atmosphere
D. Biosphere
D. Biosphere
Which of the following is a renewable natural resource?
A. Coal
B. Oil
C. Sunlight
D. Natural gas
C. Sunlight
Which property of a material can be measured using a ruler?
A. Mass
B. Volume
C. Length
D. Temperature
C. Length
Why does a dropped apple fall to the ground?
A. Air pushes it down
B. Gravity pulls it toward Earth
C. It is lighter than air
D. The ground pulls it sideways
B. Gravity pulls it toward Earth
Which organism is a producer?
A. A wolf
B. A mushroom
C. Grass
D. A hawk
C. Grass
What process changes liquid water into water vapor?
A. Condensation
B. Evaporation
C. Precipitation
D. Collection
B. Evaporation
What does conservation mean?
A. Using resources quickly
B. Protecting and using resources wisely
C. Throwing away materials
D. Making new resources
B. Protecting and using resources wisely
Which observation is the BEST evidence that a chemical reaction has occurred?
A. The object changes size
B. A new substance forms
C. The material melts
D. The object changes shape
B. A new substance forms
Which situation shows friction slowing something down?
A. A ball rolling across grass and stopping
B. A magnet pulling a paperclip
C. A rocket launching into space
D. A balloon floating upward
A. A ball rolling across grass and stopping
Which of the following is a consumer?
A. Tree
B. Algae
C. Deer
D. Grass
C. Deer
Which example shows interaction between the hydrosphere and geosphere?
A. Plants growing in soil
B. Rain causing soil erosion
C. Animals breathing oxygen
D. Clouds forming in the sky
B. Rain causing soil erosion
Which action helps conserve water?
A. Leaving the faucet running
B. Taking shorter showers
C. Washing cars every day
D. Watering lawns all day
B. Taking shorter showers
Which statement correctly describes gases?
A. They have a fixed shape
B. They have a fixed volume
C. They spread out to fill any container
D. They cannot be compressed
C. They spread out to fill any container
A student pushes a box lightly, and it doesn’t move. Then the student pushes harder, and it moves. Why?
A. The box got lighter
B. The stronger force caused motion
C. Gravity stopped working
D. The box changed shape
B. The stronger force caused motion
What is the role of decomposers in an ecosystem?
A. They make their own food
B. They hunt other animals
C. They only live in water
D. They break down dead organisms
D. They break down dead organisms
Which action helps protect Earth’s water resources?
A. Dumping waste into rivers
B. Using more plastic bottles
C. Conserving water at home
D. Leaving faucets running
C. Conserving water at home
Why are fossil fuels considered nonrenewable?
A. They are easy to replace
B. They form quickly
C. They take millions of years to form
D. They come from plants
C. They take millions of years to form
Which example shows a physical change?
A. Burning wood
B. Rusting metal
C. Tearing paper
D. Baking a cake
C. Tearing paper
What will most likely happen if you apply a greater force to an object in the same direction?
A. It will slow down
B. It will move faster
C. It will stop moving
D. It will disappear
B. It will move faster
Which sequence shows a correct food chain?
A. Hawk → grass → mouse
B. Grass → mouse → snake
C. Snake → mouse → grass
D. Mouse → grass → hawk
B. Grass → mouse → snake
What is erosion?
A. Breaking down of rocks into smaller pieces
B. Movement of rock and soil from one place to another
C. Formation of new rocks underground
D. Melting of rocks into magma
B. Movement of rock and soil from one place to another
Which action can help reduce damage from floods?
A. Building homes in floodplains
B. Removing all plants from land
C. Building levees or barriers
D. Dumping waste into rivers
C. Building levees or barriers