Physics chapter 9

Question 1

What is matter made of?

Answer 1

Tiny particles called atoms and molecules.

Question 2

What is matter?

Answer 2

Objects that have mass and occupy space

Question 3

Define atom?

Answer 3

The smallest part of an element that can exist

Question 4

Define molecule?

Answer 4

Two or more atoms joined together by chemical bonds

Question 5

Define model?

Answer 5

A way of representing a system which we cannot experience directly.

Question 6

Define brownian motion?

Answer 6

The erratic random movement of microscopic particles in a fluid, as a result of continious bombardment from molecules of the surrounding medium.

Question 7

Define Internal energy?

Answer 7

The total energy of all of the particles

Question 8

Define tempature?

Answer 8

A measure of the average kinetic energy of the individual particles.

Question 9

What does kinetic mean?

Answer 9

To move

Question 10

Define Boyle’s law?

Answer 10

The volume of gas is inversely proportional to the pressure of gas

Question 11

What is the formula for boyle’s law?

Answer 11

P1V1 = P2V2

Question 12

Name the two fixed points

Answer 12

100⁰c

0⁰c