STAAR Review 1 (ACP)

Front

What is a conductor?

Back

A conductor is a material that allows electric energy to flow through it easily. Examples include metals like copper and aluminum.

Front

Which material is the poorest conductor of electricity?

Back

A white T-shirt is the poorest conductor of electricity among the given options.

Front

How can sawdust and sand be separated?

Back

Sawdust and sand can be separated by using water to exploit their different densities.

Front

What happens to the size of salt when it is dissolved in water?

Back

The size of the salt particles changes when dissolved in water, as they break down into smaller particles.

Tags

NGSS.MS-PS1-2

Front

What causes the formation of a delta?

Back

A delta is formed by deposited sediments at the mouth of a river.

Tags

NGSS.MS-ESS2-2

Front

What are oil and natural gas made from?

Back

Oil and natural gas are made from decayed microscopic sea life.

Tags

NGSS.MS-ESS2-1

Front

What is the difference between renewable and nonrenewable energy sources?

Back

Renewable energy sources can be replenished naturally, while nonrenewable sources, like coal and oil, cannot be replaced once used.

Front

What is density?

Back

Density is the mass of a substance divided by its volume, indicating how much matter is packed into a given space.

Front

What is the role of heat and pressure in the formation of fossil fuels?

Back

Heat and pressure over millions of years transform organic materials into fossil fuels like oil, natural gas, and coal.

Tags

NGSS.MS-ESS3-1

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that retain their individual properties.