Topic 2: Lessons 1-2

Front

What is a physical change?

Back

A physical change is when some properties of matter do not change what the substance is made of.

Front

What does it mean to differentiate?

Back

To identify the differences between two or more objects.

Front

What is a solid?

Back

A solid is matter with a definite shape and volume.

Front

What is a liquid?

Back

Matter with a definite volume but no definite shape.

Front

What are particles?

Back

Tiny bits of matter that make up everything in the universe.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What is the difference between a solid and a liquid?

Back

A solid has a definite shape and volume, while a liquid has a definite volume but no definite shape.

Front

What is a gas?

Back

Matter that has no definite shape or volume.

Front

What is density?

Back

Density is the mass of an object divided by its volume.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change.