G7 Science S1 Final Review

A physical property is

• a characteristic that you can observe and measure without changing the identity of matter.

• The ability of a substance to react with other substances

• The ability of a substance to break down into simpler substances

• The ability of a substance to change its form when heated or cooled

Which is an NOT example of a physical property?

• Temperature

• Density

• Solubility

• Boiling Point

Which is influenced by gravity?

• weight

• mass

• volume

• temperature

Which physical property is NOT commonly used to separate mixtures?

• density

• magnetism

• conductivity

• solubility

This image represents what state of matter?

• gas

• plasma

• solid

• liquid

A physical change is a change _______where the identity of matter stays the same.

• in size, shape, form, or state of matter

• in composition

• that involves a chemical reaction

• that involves creation of a new substance

Adding thermal energy to this object will cause it to become

• liquid

• gas

• solid

• Increase in weight

Removing thermal energy from this fluid will cause it to become

• frozen

• a liquid

• a gas

• increase its mass

Ibarra is a type of chocolate that is used to make hot chocolate. What happens when you dissolve this solid in water and milk?

• the chocolate will mix evenly in the solution

• The chocolate will become a thick paste.

• The chocolate will become a bitter liquid.

• The chocolate will form a frothy foam.

If a sample of water has a mass of 150g and the final solution has a mass of 155 g, how much solute was dissolved in the water?

• 5 g

• 10 g

• 15 g

• 20 g