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Biblioteka

Gr. 7- Heat & Temp. Unit Review

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Posljednje ažuriranje 2 months ago
25

Unit 3 – Heat and Temperature Review

1.0 Technologies for Obtaining and Controlling Heat

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2.0 Heat Affects Matter

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3.0 Natural Phenomena and Technology Devices

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4.0 Benefits and Costs of Heat Technologies

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Pitanje 1
1.

Before 1600, people believed heat was a combination of fire and air. They thought it was an invisible fluid. What was the fluid called and explain the ‘Theory’ it was based on?

Pitanje 2
2.

Explain the Particle Theory of Heat.

Pitanje 3
3.

What activities are directly related to heat related technologies?

(eg. staying comfortable in our homes)

Pitanje 4
4.

Complete the Heating Technology Timeline

Pitanje 5
5.

What does it mean when we are asked to make sustainable choices?

Pitanje 6
6.

Describe the changes that take place with the transfer of heat to and from water.

Pitanje 7
7.

List the four main principles in the Particle Model of Matter.

Pitanje 8
8.

Kinetic energy is the energy of movement. Describe the particles in each state of matter.

Pitanje 9
9.

Complete the following chart that helps to show the relationship between heat, the particle model

and changes of state.

Pitanje 10
10.

Explain the difference between thermal energy, heat and temperature in terms of kinetic energy.

Pitanje 11
11.

How is temperature measured?

Pitanje 12
12.

Complete the Timeline, by adding in the dates that are missing ...

Pitanje 13
13.

Illustrate and describe 4 natural sources of Thermal Energy that are available to us.

Pitanje 14
14.

Explain the component parts of the different applications of Solar Energy - used for heating and generating electricity.

Pitanje 15
15.

Describe what a solar array is and where it could be used.

Pitanje 16
16.

Draw the component parts of a thermostat and explain how it works.

Pitanje 17
17.

Describe how a bimetallic strip can be used as a switch.

Pitanje 18
18.

Describe each of the two types of heating systems: Local Heating and Central heating.

Pitanje 19
19.

R-Value indicates insulating value of a particular type of material. Explain what it means.

Pitanje 20
20.

Identify the % of heat loss in a typical house.

Pitanje 21
21.

What is the difference between renewable and non-renewable energy sources?

Pitanje 22
22.

Explain the ‘COSTS’ of using fossil fuels.

Pitanje 23
23.

Describe the costs and benefits of these alternative thermal energy technologies.

* Solar

*Wind

*Geothermal

*Nuclear

*Hydro-Electric

Pitanje 24
24.

What does this symbol represent?

Pitanje 25
25.

Describe ways in which energy can be used wisely in the following places: