Unit 1 - Physical Science Summative

Which of the following is an example of a homogeneous mixture?

• Sand and iron filings

• Oil and water

• Saltwater

• Trail mix (Granola)

What is the process called when a solid changes directly into a gas?

• Condensation

• Sublimation

• Melting

• Freezing

Which state of matter has a definite shape and a definite volume?

• Solid

• Liquid

• Gas

• Plasma

Which of the following is a chemical property?

• Density

• Conductivity

• Flammability

• Viscosity

A mixture that has visibly different parts is called:

• Homogeneous

• Colloid

• Suspension

• Heterogeneous

What method would you use to separate iron filings from sand?

• Filtration

• Decantation

• Magnetic separation

• Distillation

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

• Rusting of iron

• Burning of wood

• Melting of ice

• Baking a cake

What is the boiling point of water at standard atmospheric pressure?

• 50°C

• 100°C

• 150°C

• 200°C

Which property of matter describes its ability to conduct electricity?

• Malleability

• Conductivity

• Hardness

• Density

Which technique is used to separate a solid that has dissolved in a liquid?

• Magnetic separation

• Filtration

• Distillation

• Mechanical separation