4th Grade Science Review

Front

What is a good conductor of electricity?

Back

A good conductor of electricity allows electric current to flow easily through it. Example: Penny.

Front

What does a decomposer do?

Back

A decomposer breaks down dead organisms and recycles nutrients back into the ecosystem.

Front

Which state of matter has a definite volume, but does not have a definite shape?

Back

Liquid has a definite volume but takes the shape of its container.

Front

What is the main source of energy for plants?

Back

The Sun is the main source of energy for plants, which they use for photosynthesis.

Front

What does the stem do for the plant?

Back

The stem supports the plant and helps transport nutrients and water.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which plants use sunlight to make food from carbon dioxide and water.

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas.

Front

What is the role of roots in a plant?

Back

Roots anchor the plant in the soil and absorb water and nutrients.

Front

What is a habitat?

Back

A habitat is the natural environment where an organism lives and grows.

Front

What is the water cycle?

Back

The water cycle is the continuous movement of water on, above, and below the surface of the Earth.