STAAR Science Review LONG

Front

What is a conductor of electricity?

Back

A material that allows electricity to flow through it easily. Examples include metals like copper and aluminum.

Front

Which metal is a good conductor of thermal energy and is not attracted to a magnet?

Back

Aluminum.

Front

What is a series circuit?

Back

A circuit where the same current flows through all components, meaning if one component fails, the entire circuit stops working.

Front

How can you separate a mixture of salt and pepper?

Back

Put the mixture in water and filter the pepper out of the water.

Front

What is the best title for a data table that includes various measuring tools?

Back

Tools for Measuring Matter.

Front

What is the definition of thermal energy?

Back

The energy that comes from the temperature of matter; it is the energy of moving particles.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of two or more substances that retain their individual properties, while a compound is a substance formed when two or more elements chemically bond.

Front

What is the purpose of a filter in separating mixtures?

Back

To separate solid particles from liquids or gases by allowing only the liquid or gas to pass through.

Front

What is the role of a battery in an electrical circuit?

Back

A battery provides the electrical energy needed to power the circuit.

Front

What happens to the current in a parallel circuit?

Back

The current can split into multiple paths, allowing different components to operate independently.