1) What type of energy is used to push a box across the floor? a) Mechanical b) Electrical c) Light d) Thermal e) Sound 2) Insulators are objects that _______________. a) do not allow heat and energy to pass through b) allow heat and energy to pass through 3) When does light bend? a) When it is refracted b) When it is reflected c) When it is absorbed 4) What type of energy does a lamp use? a) Mechanical b) Electrical c) Light d) Thermal e) Sound 5) Conductors are objects that ____________________. a) do not allow heat and energy to pass through b) allow heat and energy to pass through 6) Which of the below objects is a source of sound energy? a) Sun b) Lightbulb c) Guitar d) Candle 7) What type of energy is used in cooking? a) Mechanical b) Electrical c) Light d) Thermal e) Sound 8) What type of material is a good conductor? a) Metal b) Wood c) Styrofoam d) Plastic 9) Which of the below objects is a source of light energy? a) Mirror b) Sun c) Toaster d) Moon 10) What type of material is a good insulator? a) Water b) Metal c) Aluminum d) Plastic 11) What type of energy is given off by a piano? a) Mechanical b) Electrical c) Light d) Thermal e) Sound 12) When is light soaked up? a) When it is refracted b) When it is reflected c) When it is absorbed 13) Which of the below objects is a source of thermal energy? a) Window b) Stove c) TV d) Clock 14) When does light bounce off of an object? a) When it is refracted b) When it is reflected c) When it is absorbed 15) Which of the below is an example of mechanical energy? a) Sitting in bed b) The Sun c) A ball rolling down a hill d) A song played on the radio 16) Fires give off thermal energy and ____________ energy. a) Mechanical b) Electrical c) Light d) Thermal e) Sound 17) Which of the below objects is a source of electrical energy? a) Battery b) Lightbulb c) Candle d) Food

5th Grade Energy Review

由
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？