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Front

What is kinetic energy?

Back

Kinetic energy is the energy an object possesses due to its motion. It depends on the mass of the object and its velocity.

Front

What is potential energy?

Back

Potential energy is stored energy that an object has due to its position or state. It can be converted into kinetic energy.

Front

At which position does a roller coaster transform kinetic energy to potential energy?

Back

From B to C.

Front

What is density?

Back

Density is the mass of an object divided by its volume, often expressed in grams per cubic centimeter (g/cm³).

Front

Which substance is the least dense?

Back

Vinyl Resin.

Front

Which object has the highest density?

Back

Object C.

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances, such as burning or rusting.

Front

What is a physical change?

Back

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

Front

What is an example of a chemical change?

Back

Burning a match.

Front

What is an example of a physical change?

Back

Melting ice.