Science 8 Review

Front

A push or a pull that can move an object is a __________.

Back

force

Front

How has the mass changed after the phase change?

Back

It is the same.

Front

Which point has the most potential energy?

Back

Point a has the most potential energy.

Front

Which of the following is a compound?

Back

CO2 is a compound.

Front

Work is:

Back

A transfer of energy by a force to move an object.

Front

What is the definition of mass?

Back

Mass is the amount of matter in an object.

Front

What is potential energy?

Back

Potential energy is the energy stored in an object due to its position.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion.

Front

What is the formula for calculating work?

Back

Work = Force x Distance.

Front

What is a simple machine?

Back

A simple machine is a device that makes work easier by allowing us to push or pull with less effort.