4th Grade Science Review

Front

What is a producer?

Back

A producer is an organism that makes its own food, usually through photosynthesis. Examples include plants like trees.

Front

What is the main source of energy for plants?

Back

The main source of energy for plants is the Sun.

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 a good conductor of electricity?

Back

A good conductor of electricity allows electricity to flow through it easily. An example is a penny.

Front

What is a nonliving thing that humans made?

Back

A nonliving thing that humans made is an object like a house.

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 a habitat?

Back

A habitat is the natural environment where an organism lives.

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.

Front

What is a food chain?

Back

A food chain shows how energy and nutrients flow from one organism to another in an ecosystem.