Electromagnetic Waves
Energy Budget
Energy Transfer
Experimental Design
Air Presure
100
Type of energy tranfer you can feel, but not see.
infrared radation
100
True or False: All of the sun's energy reaches earth.
False
100
What type of energy transfer is it when two objects are touching?
conduction
100
This part of the experiment is purposely changed.
IV or Independent Variable
100
Cold air is more or less dense than warm air.
more
200
Type of energy you can see, but not feel.
visible light
200
About what percentage of solar energy reaches the earth?
51%
200
Heat travels from ____ to _____.
hot/warm to cold
200
This part of the experiment is the effect of the change. What you are actually measruing in the experiment.
DV or dependent variable
200
Higher up you go the ___ dense it is.
less
300
Type of energy you can not see or feel, but can feel the effects later on your body.
ultraviolet radiation
300
What percentage of solar energy reflects from earth's surface?
4%
300
Clouds forming is caused by __________ energy transfer.
convection
300
A factor that doesn't change in an experiment.
constant
300
Which layer of the atmosphere is most dense?
troposphere
400
Order of visible light by speed frequency. The fastest wave length you say first....
violet
indigo
blue
green
yellow
orange
red
400
What percentage of solar energy is absorbed by both the clouds and the atmosphere?
19%
400
Heat travels from areas that are _______ to areas that are ____________.
warmer; cooler
400
Mrs. Molloy and Mrs. Astrove wanted to see if the amount of water in a fish tank affects the speed fish swim. What is the IV and DV?
IV - amount of water
DV - speed of the fish
**Both must be correct
400
Which layers of the atmosphere have 21% oxygen?
troposphere
stratosphere
mesosphere
thermosphere
**Does not have to be in this order
500
Identify which are harmful and positive when it relates to ultraviolet radiation:
aging of the skin
damaging eyes
helps some animal's vision
sterilizes
aging of the skin - harmful
damaging eyes - harmful
helps some animal's vision - benefits
sterilizes - benefits
500
What is the main gas that affects the greenhouse gases on Earth?
cabon dioxide.
500
Hot air goes _________ and cool air goes _______ becuase of this type of energy transfer ________.
up, down and convection
500
Larry often saw woodpeckers perched in trees in his backyard, but he never saw them at his bird feeders. Larry usually filled his feeders with sunflower seeds. He wondered if he could attract woodpeckers by adding a different type of food to the feeders.
To test this idea, Larry gathered eight identical bird feeders. He filled four with sunflower seeds. He filled the remaining four feeders with crushed peanuts. Larry then placed the bird feeders in his backyard. Over the next five days, he counted the number of woodpeckers that visited each bird feeder each morning.
What is the IV and DV?
IV -- the type of food used
DV --the number of woodpeckers visiting each birdhouse
*Both must be correct
500
How much force is air pressure on earth?
14 pounds per square inch