GCSE PHYSICS - Revision Questions - Energy - Heat - Conduction - Convection - Radiation - Insulation - Potential - Kinetic - Efficiency - Power - Devices

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Heat - Conduction - Convection - Radiation
1	What unit is Energy measured in?	Answer
2	Name three Forms of Energy.	Answer
3	What does "Energy is Transferred" mean?	Answer
4	What is the Conservation of Energy?	Answer
5	What unit is Temperature measured in?	Answer
6	What is Temperature a measure of?	Answer
7	Does Temperature depend on the Mass of a Substance?	Answer
8	Does Heat depend on the Mass of a Substance?	Answer
9	Can Heat be Transferred by Conduction in a Solid?	Answer
10	Can Heat be Transferred by Conduction in a Liquid?	Answer
11	Describe the Conduction of Heat in Non-metals.	Answer
12	Is the Conduction of Heat in Non-metals Fast?	Answer
13	Is the Conduction of Heat in Metals Fast?	Answer
14	Describe the Conduction of Heat in Metals.	Answer
15	Can Heat be Transferred by Convection in a Liquid?	Answer
16	Can Heat be Transferred by Convection in a Gas?	Answer
17	Describe how Heat can be Transferred by Convection.	Answer
18	What are Convection Currents caused by?	Answer
19	Describe how a Radiator can Heat a Room in a House.	Answer
20	How can the Efficiency of a Radiator be Improved?	Answer
21	Heat Radiation is what type of Wave?	Answer
22	What type of Objects Transfer Heat by Radiation?	Answer
23	Will an Object Emit Radiation Faster with a Matt or a Shiny Surface?	Answer
24	Will an Object Emit Radiation Faster with a Dark or a Light Surface?	Answer
25	Why is part of the Space Shuttle covered in Matt Black Tiles?	Answer

Heat - Insulation
26	What does a Heat Insulator do?	Answer
27	Name two Materials which could be used as Insulators.	Answer
28	How does the Fur of Animals keep them Warm?	Answer
29	How can Air Transfer Heat across the Gap in Cavity Walls?	Answer
30	What Material can be used to fill the Gap in Cavity Walls?	Answer
31	What is a Loft?	Answer
32	What Material can be used to Insulate a Loft?	Answer
33	How does Double Glazing Reduce Heat Loss?	Answer
34	Give one other Advantage of Double Glazing.	Answer
35	Does Draught Proofing Reduce Heat Loss by Conduction or Convection?	Answer
36	How can Heat Loss by Radiation or Reduced?	Answer
37	What is Cost-Effectiveness?	Answer

Energy - Efficiency - Devices - Wasted Energy
38	What is a Sankey Diagram?	Answer
39	Write the Equation for Efficiency.	Answer
40	What Form does Wasted Energy take?	Answer
41	Why is Wasted Energy difficult to use in the Future?	Answer
42	What is a Device?	Answer
43	Name three Examples of Devices.	Answer
44	Why type of Energy is contained in a Fossil Fuel?	Answer
45	Why type of Energy is contained in Food?	Answer
46	What is the Difference between a Filament Lamp and an Energy Saving Bulb?	Answer
47	What does a Motor Transfer Electrical Energy into?	Answer
48	Name three Items which use Motors.	Answer

Energy - Potential - Kinetic - Power
49	What is GPE (Gravitational Potential Energy) a measure of?	Answer
50	Which Equation connects GPE, Gravity, Height and Mass?	Answer
51	Which Equation connects GPE, Weight and Height?	Answer
52	What is the GPE of a Rock of Mass 75kg at a Height of 4 metres?	Answer
53	What is Elastic Potential Energy a measure of?	Answer
54	Name one Object which has Elastic Potential Energy.	Answer
55	What type of object has Kinetic Energy?	Answer
56	Which Equation connects Kinetic Energy, Mass and Velocity?	Answer
57	What is the Kinetic Energy of an object of Mass 500kg and Velocity 12 m/s?	Answer
58	How does Kinetic Energy depend on Mass?	Answer
59	How does Kinetic Energy depend on Velocity?	Answer
60	Which Equation connects Distance, Force and Energy?	Answer
61	When does GPE become Transferred into Kinetic Energy?	Answer
62	Why does Perpetual Motion not Exist on Planet Earth?	Answer
63	When does a Pendulum have its Maximum GPE?	Answer
64	When does a Pendulum have its Maximum Kinetic Energy?	Answer
65	What is the connection between Work Done and Energy Transferred?	Answer
66	A Car has Mass 800kg and Velocity 25 m/s. What Force will Stop it in 50m?	Answer
67	Which Equation connects Power, Time and Energy?	Answer
68	Which unit is Power measured in?	Answer