Matter and Chemical Reactions Test

Which of the following best describes matter?

• Anything that has mass and takes up space
• Only solid objects
• Only liquids and gases
• Only living things

What happens to the particles in a solid when it is heated?

• They move closer together
• They move faster and spread apart
• They stay the same
• They turn into a gas

Which of the following is an example of a chemical change?

• Ice melting
• Sugar dissolving in water
• Rust forming on iron
• Water boiling

What is the main difference between a mixture and a compound?

• A mixture can be separated by physical means
• A compound can be separated by physical means
• A mixture has a fixed composition
• A compound is made of only one type of atom

Which of the following processes is an example of evaporation?

• Ice melting
• Water boiling
• Water turning into vapor
• Water freezing

Which state of matter has particles that are far apart and move freely?

• Solid
• Liquid
• Gas
• Plasma

What is the process of a liquid turning into a gas called?

• Condensation
• Evaporation
• Freezing
• Sublimation

Which of the following is an indicator of a chemical reaction?

• Change in temperature
• Change in size
• Change in shape
• Change in color

What happens to the mass of substances during a chemical reaction?

• It decreases
• It increases
• It stays the same
• It can vary

Which of the following is an example of condensation in the water cycle?

• Water vapor turning into clouds
• Water evaporating from a lake
• Ice melting in the sun
• Rain falling from the sky