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Volume and Density Summary

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Questions and Answers

What does volume measure?

The density of an object

The amount of water an object can hold

The mass of an object

The space an object takes up (correct)

What is the equation used to find density?

$density = mass / volume$ (correct)

$mass = volume / density$

$density = volume / mass$

$mass = density / volume$

When does an object have a high density?

When it is heavy and compact (correct)

When it is hollow and can hold a lot of water

When it changes color, texture, or shape

When it is light and takes up a lot of space

What is a vacuum?

The absence of any matter (C) Signup and view all the answers

How do we simulate a vacuum environment on Earth?

Using vacuum pumps to suck air out of a sealed container (C) Signup and view all the answers

What are physical changes in matter?

Changes that do not change what the matter is (B) Signup and view all the answers

How can you decide if a change in matter is physical?

By asking if it is still the same thing even though it looks different (D) Signup and view all the answers

What is a chemical change?

Any change that causes a new substance to be formed (A) Signup and view all the answers

When do chemical changes occur?

When new substances are formed (C) Signup and view all the answers

What are vacuum pumps used for?

To simulate vacuum environment on Earth by sucking air out of a sealed container (D) Signup and view all the answers

What type of energy is produced by the vibration of matter?

Sound energy (D) Signup and view all the answers

What type of energy is used by doctors to learn more about our bodies?

Visible light (A) Signup and view all the answers

What is the ability to do work called?

Kinetic energy (D) Signup and view all the answers

How can energy be transferred from one object to another?

Conduction, convection, or radiation (D) Signup and view all the answers

What is the law that states for a closed system, the total energy of the system must remain constant?

Law of Conservation of Energy (C) Signup and view all the answers

What type of energy is associated with the sun and allows for solar radiation?

Light energy (D) Signup and view all the answers

What is the unit of measurement for kinetic energy?

Joules (J) (C) Signup and view all the answers

What type of energy refers to the amount of solute that can dissolve into a solvent?

Solubility (C) Signup and view all the answers