Heat

Question 0

What happens when we heat a solid, liquid or a gas?

Answer 0

It expands

Question 1

Heat

Answer 1

Is a form of energy

Question 2

What happens when solid, liquid or a gas cools?

Answer 2

It contracts

Question 3

Heat transfer

Answer 3

1. Convection
2. Conduction
3. Radiation

Question 4

Conduction

Answer 4

Heat travels from particla to particle along a substance, normality a solid

Question 5

Convection

Answer 5

Heat travels through a fluid (liquid or a gas) when the particles move and carry the heat

Question 6

Conduction

Answer 6

Is the method by which heat travels from particle to particle

Question 7

Insulator

Answer 7

Won’t allow heat to flow easily eg plastic

Question 8

To show that a solid expands when heated and contracts when cooled

Answer 8

Ball and ring apparatus

Question 9

Air

Answer 9

Is a good insulator, keeps animals warm and traps heat

Question 10

Winds formed by convection

Answer 10

Sun heats the earth. Hot air rises and as it rises it cools and sinks back down to the ground. Air currents are sometimes known as convection currents

Question 11

Radiation

Answer 11

Transfer of heat without a medium eg. Microwave, sun

Question 12

Temperature

Answer 12

Measure how hot an object is

Question 13

What is the temperature of the sun?

Answer 13

6000 degrees Celsius

Question 14

Temperature

Answer 14

Measures how hot a substance or an object is. It’s measured with a thermometer. 2 types (alcohol and mercury)