5th Science, Unit 1 CA Review

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically combined. Each substance retains its own properties.

Front

What is a solution?

Back

A solution is a special type of mixture where one substance (the solute) is completely dissolved in another (the solvent), resulting in a homogeneous mixture.

Front

What is the process of condensation?

Back

Condensation is the process by which water vapor in the air cools and changes into liquid water, often seen as droplets on a cold surface.

Front

What is the purpose of a sieve?

Back

A sieve is a tool used to separate smaller particles from larger ones or to separate liquids from solids.

Front

What is mass?

Back

Mass is a measure of the amount of matter in an object, typically measured in grams (g) or kilograms (kg).

Front

What happens when sugar is added to water?

Back

When sugar is added to water, it dissolves, meaning the sugar particles spread out evenly throughout the water, creating a sweet solution.

Front

What is evaporation?

Back

Evaporation is the process by which liquid water turns into water vapor, usually due to heat.

Front

What is the role of a triple beam balance?

Back

A triple beam balance is a device used to measure the mass of an object accurately.

Front

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

Back

A physical change alters the form or appearance of a substance without changing its chemical composition, while a chemical change results in the formation of new substances.

Front

What is a solute?

Back

A solute is a substance that is dissolved in a solvent to form a solution.