Science assessment 19/5/25 pt2

Question 1

The scientific name for heat energy is ______ energy

Answer 1

Thermal/internal

Question 2

Heat travels through a solid by_____

Answer 2

Conduction

Question 3

Heat travels through fluids by______

Answer 3

Convection

Question 4

Heat travels through space by____

Answer 4

Radiation

Question 5

Fluids are ______ and ______

Answer 5

Liquids and gases

Question 6

Metals have higher thermal conductivity than non-metals this means they conduct heat_____

Answer 6

Faster/better

Question 7

Metals have a higher thermal conductivity because they have_______ _____

Answer 7

Delocalised (free) electrons

Question 8

A coloured image showing heat leaving objects is called a _______

Answer 8

Thermogram

Question 9

The amount of energy it takes to heat up 1 kilogram of a substance by 1 degree is called it_____

Answer 9

Specific heat capacity

Question 10

Two examples of home insulation are _______ and ______

Answer 10

Double glazing and cavity wall insulation

Question 11

Energy not being stored in useful ways is described as being ________ energy

Answer 11

Wasted

Question 12

The electromagnetic wave which carried thermal energy is called_____ ______

Answer 12

Infrared radiation

Question 13

Dark colours are good ______ and ______ or infra-red

Answer 13

Emitting and absorbing (any order)

Question 14

Shiny colours are good ______ of infra-red

Answer 14

Reflectors

Question 15

A larger difference in temperature between an object and its surroundings will cause the object to cool_____

Answer 15

Quicker/ faster

Question 16

Global warming is caused by ___________

Answer 16

Greenhouse gasses