Matter Review

What is matter?

• Anything that has mass and takes up space

• Anything that is invisible

• Only things that are solid

• Only things that are living

Which of the following is an example of a pure substance?

• Sea salt

• Table salt (sodium chloride)

• Seawater

• Air

Why is gold considered to have physical properties such as high luster and distinctive color?

• These characteristics can be observed without changing gold into something else

• These characteristics are only visible under a microscope

• These characteristics are chemical properties

• These characteristics are only present in mixtures

What is an element?

• A substance made up of only one type of atom

• A mixture of different atoms

• A combination of molecules

• A type of chemical property

Why is seawater not considered a pure substance?

• Its composition can vary and it contains many substances besides sodium chloride

• It is always solid

• It is made up of only one type of atom

• It cannot be found in nature

Which of the following best describes mass?

• The amount of space an object takes up

• The force of gravity on an object

• The amount of matter in an object

• The weight of an object on Earth

What does your weight depend on when you are on different planets, such as Earth and Jupiter?

• The amount of sunlight

• The mass of the planet and the force of gravity

• The color of the planet

• The temperature of the planet

If you weigh 130 pounds on Earth, what is your approximate mass in kilograms?

• 30 kg

• 60 kg

• 100 kg

• 130 kg

Which of the following is NOT a unit used to measure volume?

• Cubic meter (m³)

• Liter (L)

• Kilogram (kg)

• Milliliter (mL)

What property of matter is described as a function of mass and volume and does not change with the amount of a given substance?

• Density

• Temperature

• Weight

• Color