What are two things we get from plant and animal resources?
A. Food and clothing
B. Food and plastic
C. Clothing and metal
D. Paper and glass
A. Food and clothing
What is weathering?
A. Breaking rocks into smaller pieces
B. Moving rocks to a new place
C. Melting rocks underground
D. Pressing rocks together
A. Breaking rocks into smaller pieces
What natural event causes lava to flow?
A. Earthquake
B. Volcanic eruption
C. Flood
D. Landslide
B. Volcanic eruption
Why is recycling paper helpful?
A. It reduces the need to cut down trees
B. It increases paper production
C. It makes paper stronger
D. It removes pollution from water
A. It reduces the need to cut down trees
What does a food chain show?
A. How energy moves between organisms
B. How rocks are formed
C. How soil is created
D. How weather changes
A. How energy moves between organisms
What natural resource is used to make paper bags?
A. Trees
B. Cotton
C. Oil
D. Plants that grow in water
A. Trees
What process happened when rocks were shaken into smaller pieces?
A. Erosion
B. Weathering
C. Compaction
D. Cooling
B. Weathering
Which natural disaster is most likely to cause cracks in the ground?
A. Flood
B. Earthquake
C. Hurricane
D. Blizzard
B. Earthquake
What might happen if natural resources are not conserved?
A. They will be replaced quickly
B. They may run out over time
C. They will become stronger
D. They will turn into new materials
B. They may run out over time
If a predator is removed from a food chain, what happens to its prey?
A. The prey decreases
B. The prey increases
C. The prey stays the same
D. The prey disappears
B. The prey increases
Which action helps conserve paper?
A. Reusing it for notes
B. Recycling it
C. Throwing it in the trash
D. Storing it in a drawer
B. Recycling it
What TWO materials are commonly found in soil?
A. Decomposed plants and decayed animals
B. Melted rock and sand
C. Plastic pieces and paper
D. Metal and minerals
A. Decomposed plants and decayed animals
Heavy rain can cause soil to move quickly, resulting in—
A. Weathering
B. A landslide
C. Evaporation
D. Soil formation
B. A landslide
Which action best shows conservation?
A. Using water carefully
B. Leaving lights on all day
C. Throwing away reusable items
D. Using more paper than needed
A. Using water carefully
If scorpions are removed from a food chain, what will most likely happen to grasshoppers?
A. Decrease
B. Stay the same
C. Increase
D. Move underground
C. Increase
Why is conservation important?
A. It keeps resources available for the future
B. It helps resources grow faster
C. It makes resources easier to find
D. It increases the amount of waste
A. It keeps resources available for the future
Which example shows weathering?
A. A river carrying pebbles downstream
B. Ice forming in cracks and breaking rock
C. Wind blowing sand across a desert
D. Mud sliding down a hill
B. Ice forming in cracks and breaking rock
How can earthquakes affect communities?
A. They can damage buildings and roads
B. They can increase rainfall
C. They can grow plants faster
D. They can create new soil slowly
A. They can damage buildings and roads
Recycling helps reduce—
A. The number of trees
B. Pollution in the environment
C. The amount of sunlight
D. The amount of oxygen
B. Pollution in the environment
What does finding marine fossils on land suggest?
A. The animals moved onto land
B. The land was once underwater
C. The fossils were carried by wind
D. The land formed recently
B. The land was once underwater
Which is NOT a natural resource?
A. Oil
B. Wood
C. Plastic
D. Water
C. Plastic
Sand being moved by wind is an example of—
A. Weathering
B. Erosion
C. Deposition
D. Freezing
B. Erosion
Which change happens the fastest?
A. Soil formation
B. Weathering
C. Erosion by wind
D. Earthquakes
D. Earthquakes
Which statement about conservation is true?
A. It only helps people
B. It helps protect animals and resources
C. It increases waste
D. It only affects water
B. It helps protect animals and resources
If a predator population decreases, what is most likely to happen next?
A. Its population increases
B. Its population decreases further
C. It immediately disappears
D. It turns into prey
B. Its population decreases further