Insulation OALH

Last updated about 5 years ago

16 questions

Insulation OALH

Last updated about 5 years ago

16 questions

DO Now:

Question 1

1.State the law of conservation of energy.

Question 2

Question 3

1.Describe the energy transfer when a moving object comes to a sudden stop

Question 4

1.Name the piece of equipment used to measure the force needed to lift an object.

Question 5

1.Give the following to 3 significant figures: 23.4100351

Key knowledge

Question 6

How is most energy lost from a home?

Question 7

Define conduction.

Question 8

Define radiation.

Question 9

Why do we want to reduce the amount of energy wasted?

Question 10

10.

How are houses insulated

Question 11

11.

What factorsincrease the rate of thermal energy loss from a house?

Recall Quiz

Question 12

12.

1.Most of the energy lost from our houses spreads out into the surroundings by (radiating as sound/heating).

Question 13

13.

2.Two reasons that we want to stop this happening are because reducing waste helps to… and…

Question 14

14.

3.Heat will be lost from a 35°C home more rapidly if the outside temperature is (30°C / 15°C).

Question 15

15.

4.The house will also lose more heat if the walls are (thick/thin) and have a (larger/smaller) area.

Extended Writing task

Question 16

16.

Describe the laws which control energy transfers within a system and explain how wasted energy can be reduced.

DO Now: