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Grade 7 Science: States of Matter Quiz

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Questions and Answers

What is the definition of density?

The ability to attract a magnet.

The ability to dissolve another matter.

How much mass is packed into a certain volume. (correct)

The amount of space something takes up.

Which state of matter has a definite shape and volume?

Liquid

Plasma

Solid (correct)

Gas

What property measures how well a material conducts heat or electricity?

Density

Magnetism

Conductivity (correct)

Volume

What term describes the ability of a matter to dissolve another matter?

Solubility Signup and view all the answers

Which of the following is NOT a state of matter?

Liquid crystal Signup and view all the answers

What is the initial state of water described in the document?

Ice cube Signup and view all the answers

Which of the following is NOT a property of a physical change?

Mass Signup and view all the answers

What transformation occurs after the ice cube turns into water?

The water becomes vapor Signup and view all the answers

Which of the following examples indicates a physical change?

Melting an ice cube Signup and view all the answers

Which of the following phrases best describes the concept of a physical change?

A reversible change in state or appearance Signup and view all the answers

What state of matter is represented when ice changes due to the application of heat?

Liquid Signup and view all the answers

What is the process called when water changes from a liquid to a gas?

Evaporation Signup and view all the answers

Which process occurs at the boiling point of water?

Evaporation Signup and view all the answers

What type of matter is defined as anything that you can touch, smell, or feel?

Matter Signup and view all the answers

Which component is necessary for the transformation of ice to water?

Heat Signup and view all the answers