Question 1

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

Accepted Answer

Diamond

Answer

Salt water

Answer

Sand

Answer

Air

Question 2

Which of the following is an example of a mixture?

Accepted Answer

Trail mix

Answer

Oxygen

Answer

Gold

Answer

Sugar

Question 3

Which of the following is a characteristic of a pure substance?

Accepted Answer

It has a fixed composition

Answer

It can be a combination of different elements

Answer

It can be separated by physical means

Answer

It has variable properties

Question 4

Which of the following is a characteristic of a mixture?

Accepted Answer

It can be separated by physical means

Answer

It is made up of only one type of element

Answer

It has a fixed composition

Answer

It has variable properties

Question 5

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

Accepted Answer

Milk

Answer

Oil and water

Answer

Orange juice

Answer

Sand

Question 6

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

Accepted Answer

Granola

Answer

Vinegar

Answer

Salt

Answer

Apple juice

Question 7

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

Accepted Answer

Ice melting into water

Answer

Baking cookies

Answer

Gasoline burning

Answer

Iron rusting

Question 8

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

Accepted Answer

Wood burning

Answer

Ice melting

Answer

Sugar dissolving in water

Answer

Paper tearing

Question 9

Which of the following is a physical change?

Accepted Answer

Cutting a piece of paper

Answer

Burning a candle

Answer

Rusting of iron

Answer

Mixing vinegar and baking soda

Question 10

Which of the following states of matter has a definite shape and volume?

Accepted Answer

Solid

Answer

Gas

Answer

Plasma

Answer

Liquid

Question 11

Which of the following is a measure of the amount of matter in an object?

Accepted Answer

Mass

Answer

Volume

Answer

Density

Answer

Weight

Question 12

Which of the following is a measure of the amount of space occupied by an object?

Accepted Answer

Volume

Answer

Weight

Answer

Density

Answer

Mass

Question 13

Which of the following is a measure of the force exerted on an object due to gravity?

Accepted Answer

Weight

Answer

Density

Answer

Volume

Answer

Mass

Question 14

Which of the following is a measure of how closely particles are packed together in an object?

Accepted Answer

Density

Answer

Mass

Answer

Volume

Answer

Weight

Question 15

Which of the following is a measure of the heaviness of an object influenced by the force of gravity?

Accepted Answer

Weight

Answer

Density

Answer

Mass

Answer

Volume

Question 16

What is the measure of how much space an object occupies?

Accepted Answer

Volume

Answer

Weight

Answer

Density

Answer

Mass

Question 17

Which state of matter has a definite shape and volume?

Accepted Answer

Solid

Answer

Gas

Answer

Plasma

Answer

Liquid

Question 18

Which state of matter takes the shape of its container and has a definite volume?

Accepted Answer

Liquid

Answer

Solid

Answer

Plasma

Answer

Gas

Question 19

Which state of matter has neither a definite shape nor a definite volume?

Accepted Answer

Gas

Answer

Solid

Answer

Plasma

Answer

Liquid

Question 20

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

Accepted Answer

Solid

Answer

Gas

Answer

Plasma

Answer

Liquid

Question 21

Which state of matter has particles that are tightly packed and vibrate in fixed positions?

Accepted Answer

Solid

Answer

Gas

Answer

Plasma

Answer

Liquid

Question 22

Which state of matter has particles that are loosely packed and can easily move past one another?

Accepted Answer

Liquid

Answer

Gas

Answer

Plasma

Answer

Solid

Question 23

Which state of matter has particles that are highly energetic and move freely?

Accepted Answer

Gas

Answer

Solid

Answer

Plasma

Answer

Liquid

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