Grade 4 Science – Unit 6 Review

What is one benefit of using nonrenewable resources such as iron and copper?

• They can be reused through recycling

• They are always easy to replace

• They do not harm the environment

• They are available forever

Some sedimentary rocks can hold oil and natural gas. Why does this happen?

• The rocks are soft and easy to break

• The rocks contain many tiny spaces

• The rocks are very heavy

• The rocks are completely solid

Tags

NGSS.MS-ESS2-1

Which is a drawback of renewable energy sources like wind and solar power?

• They never run out

• They produce pollution

• They depend on weather conditions

• They cost nothing to use

A rock that holds oil or natural gas is most like which object?

• A bucket that collects water

• A sponge that soaks up liquid

• A fan that moves air

• A shovel that digs through dirt

Tags

NGSS.MS-ESS3-1

Which resource is nonrenewable?

• Wind

• Animals

• Coal

• Plants

Students want to help reduce the amount of trash sent to landfills. The action that would help the most is:

• Recycling materials whenever possible

• Throwing all trash in one bin

• Burning trash in the backyard

• Ignoring waste separation rules

Tags

NGSS.MS-ESS3-3

What is an advantage of using wind energy?

• Wind turbines are silent

• Wind energy reduces the use of fossil fuels

• Wind turbines are easy to build anywhere

• Wind energy is available all the time

Which observable properties can be used to identify different rocks?

• Color, texture, hardness, and weight

• Smell, taste, size, and shape

• Taste, color, and mass

• Sound, texture, and size

A student scratches one rock with another to see which one leaves a mark. What property is being tested?

• Mass

• Color

• Hardness

• Texture

Why is coal considered a nonrenewable resource?

• It forms very quickly

• It takes millions of years to form

• It is made only from plants

• It is easy to replace