Semester 1 Review

Front

What is matter?

Back

Matter is anything that has mass and takes up space. Everything around us, including air, water, and our bodies, is made of matter.

Front

What happens when ice cream changes from a solid to a liquid?

Back

This process is called melting.

Front

When does a football have the most mechanical energy?

Back

A football has the most mechanical energy when it is moving at the fastest speed.

Front

Does moving water have mechanical energy?

Back

Yes, moving water has mechanical energy because it is in motion.

Front

What type of energy do you produce when riding a bike?

Back

When riding a bike, you produce mechanical energy.

Front

What is mechanical energy?

Back

Mechanical energy is the energy that an object has due to its motion or position.

Front

What is the difference between melting and freezing?

Back

Melting is the process of a solid turning into a liquid, while freezing is the process of a liquid turning into a solid.

Front

Can air be considered matter?

Back

Yes, air is matter because it has mass and takes up space.

Front

What is an example of a solid changing to a liquid?

Back

An example is ice cream melting on a hot day.

Front

What is energy?

Back

Energy is the ability to do work or cause change.