5.5A, 5.5B, 5.5C Review

Front

What is density?

Back

Density is the mass of an object divided by its volume. It tells us how much matter is packed into a certain space.

Front

What happens when you pour liquids of different densities into a cylinder?

Back

The liquids will layer on top of each other, with the least dense liquid on top and the most dense liquid at the bottom.

Front

What is solubility?

Back

Solubility is the ability of a substance to dissolve in a solvent, such as water.

Front

Which materials typically do not dissolve in water?

Back

Materials like oil and sand do not dissolve in water.

Front

What happens to sugar when it is added to water?

Back

The sugar dissolves in the water, meaning it breaks down into smaller particles and spreads throughout the liquid.

Front

What are examples of gases at room temperature?

Back

Nitrogen, oxygen, and helium are all gases at room temperature.

Front

What is a solid?

Back

A solid is a state of matter that has a definite shape and volume.

Front

What is a liquid?

Back

A liquid is a state of matter that has a definite volume but takes the shape of its container.

Front

What is a gas?

Back

A gas is a state of matter that has no definite shape or volume and expands to fill its container.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.