1) How does thermal energy move? a) The energy escapes. b) It is transformed before moving. c) It is transferred through gases, liquids or solids.  d) It is omitted from its environment.  2) Define energy: a) The ability to undertake work. b) The possibility of an object being raised above the ground. c) The ability to move. d) The concept that makes electricity. 3) Which is NOT an example of kinetic energy? a) Movement b) Light c) Heat d) Gravitational  e) Sound f) Electricity 4) What type of potential energy is characterised by a change in the gravitational field? a) Chemical Potential Energy b) Gravitational Potential Energy c) Kinetic Potential Energy d) Elastic Potential Energy 5) What is the formula for gravitational potential energy? a) GPE = 1/2mv^2 b) GPE = g c) GPE = Ekmv^2 d) GPE = mgh 6) What are the two main types of energy? a) Potential and Kinetic Energy b) Gravity and Electromagnetism  c) Electric and Solar Energy d) Gravitational and Chemical Potential Energy 7) What two variables affect an objects kinetic energy?  a) The objects mass and height above the ground.  b) The objects relative position and weigth. c) The objects mass and speed. d) The objects force and gravity. 8) What is an example of light energy? a) Speaker b) A car c) Solar panel d) The sun 9) Define chemical potential energy: a) CPE is the energy possessed by objects set in motion by a chemical reaction. b) The breaking of a nucleus. c) CPE is the energy held by objects with the potential for a chemical reaction.  d) The chemicals used by an object to set it in motion. 10) Which object possesses more kinetic energy? a) Mass of 300 kgs, moving at 400 m/s b) Mass of 20 kgs, moving at 300 m/s c) Mass of 500 kgs, moving at 450 m/s d) Mass of 0.05, moving at 600 m/s 11) What is the source of thermal energy? a) A chemical reaction b) Friction c) Conversion of electricity d) All of the above 12) How many joules are there in a megajoule?  a) 100 b) 10 c) 100 000 d) 1 000 000 13) What is kinetic energy the energy of?  a) Movement b) Gravity c) Light d) Magnets 14) Speakers convert: a) Electricity into sound. b) Light into electricity. c) Sound into electricity. d) Electricity into kinetic energy.  15) Solar panels convert:  a) Sound into light. b) Light into electricity. c) Light into kinetic energy. d) Gravity into electricity. 16) What is potential energy?  a) The ability of an object to undergo movement. b) The energy that is held by objects with low mass. c) The energy possessed by an object because of its relative position in a system. d) The energy held by objects with a high mass.

Physics Science Revision

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