1) How does the radiation (energy) of an electromagnetic wave travel? a) in a straight line b) at a right angle to the medium c) going forward from the source and spreading out. 2) The purpose of all waves is to change the matter it passes through. a) False b) True 3) Which EM wave has the most radiation(energy)? a) x-rays b) gamma rays c) radio waves d) ultraviolet waves e) microwaves f) infrared waves 4) Electromagnetic waves have to move through a medium to transfer energy. a) True b) False 5) Which EM wave has the least amount of radiation(energy)? a) gamma rays b) radio waves c) microwaves d) infrared e) x-rays f) visible light 6) As the wavelengths of the EM waves gets shorter/microscopic, what happens to the amount of radiation (energy)? a) nothing the radiation/energy stays the same in all the waves b) the amount of radiation/energy decreases c) the amount of radiation/energy increases 7) The EM waves with the LONGEST wavelengths are a) microwaves b) radio waves c) infrared waves d) visible light e) ultraviolet rays 8) Weather maps are made using  a) radio waves b) microwaves c) infrared waves 9) Your cell phone uses these two EM waves to make a call to someone across the country. a) radio waves & microwaves b) radio waves & gamma rays c) infrared and microwaves 10) Sunscreen should be worn outside to protect you from which EM wave? a) infrared waves b) visible light c) ultraviolet rays 11) This electromagnetic wave goes through your skin to your bones/solid parts inside your body, for doctors to look at your insides. a) gamma rays b) x-rays c) microwaves 12) The EM waves that are used to sterilize our water at school and your dentist's tools that they stick in your mouth. a) microwaves b) infrared waves c) ultraviolet rays 13) Gamma rays can cause cancer and kill cancerous cells. a) True b) False 14) The 3 EM waves we can feel as heat. a) microwaves, infrared waves, visible light b) infrared waves, visible light, ultraviolet rays c) visible light, ultraviolet, x-rays 15) Ultraviolet rays are used at airports to look inside the luggage. a) True b) False 16) If you dug up a box, that was very old and sealed, which EM wave could you use to "look" inside it without opening it up? a) gamma rays b) microwaves c) x-rays d) ultraviolet rays 17) Which electromagnetic wave is the only one we can see? a) microwaves b) radiowaves c) visible light

Electromagnetic Waves

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?