Science STAAR Practice December 7

Front

What is an insulator?

Back

An insulator is a material that does not allow electricity or heat to pass through it easily. Examples include rubber, plastic, and glass.

Front

Which material is an example of an insulator?

Back

Rubber is an example of an insulator.

Front

How long does it take for the Earth to complete one rotation on its axis?

Back

The Earth takes once every 24 hours to complete one rotation on its axis.

Front

What are fossil fuels?

Back

Fossil fuels are natural substances formed from the remains of ancient plants and animals. They include coal, oil, and natural gas.

Front

What is a renewable resource?

Back

A renewable resource is a natural resource that can be replenished naturally over time, such as wood, solar energy, and wind.

Front

What type of valley do glaciers form?

Back

Glaciers form valleys in the shape of U.

Front

What is the difference between renewable and non-renewable resources?

Back

Renewable resources can be replenished naturally (like wood), while non-renewable resources cannot be replaced once used (like coal and oil).

Front

What is the shape of a valley formed by a river?

Back

A river typically forms a valley in the shape of V.

Front

What is the definition of natural gas?

Back

Natural gas is a fossil fuel that is found deep beneath the Earth's surface and is used as an energy source.

Front

What is the main use of coal?

Back

Coal is primarily used as a fuel source for electricity generation and in industrial processes.