Science EOG Review

Front

What is a Chemical Change?

Back

A process where substances combine or break apart to form new substances, often accompanied by energy changes, color changes, or gas production.

Front

What is a Physical Change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition, such as melting or freezing.

Front

What happens when iron rusts?

Back

Iron reacts with oxygen and moisture in the air to form iron oxide, a new substance, indicating a chemical change.

Front

What is the effect of applying a stronger force on an object?

Back

It increases the speed of the object, demonstrating Newton's second law of motion.

Front

Which body systems are involved in lifting heavy objects?

Back

The Muscular and Skeletal systems work together to provide strength and support.

Front

What is Conduction?

Back

The transfer of heat through direct contact between materials, such as touching a hot stove.

Front

What is Convection?

Back

The transfer of heat through the movement of fluids (liquids or gases), where warmer areas rise and cooler areas sink.

Front

What is Radiation?

Back

The transfer of energy through electromagnetic waves, such as heat from the sun.

Front

What is an example of a Chemical Change?

Back

Exploding fireworks, where new substances are formed through a chemical reaction.

Front

What is an example of a Physical Change?

Back

Melting ice, where water changes from solid to liquid but remains H2O.