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15
×
what type of energy does a light bulb emit?
light energy / electromagnetic radiation
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15
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A very low sound, like a tuba, will have a (LONG/SHORT) wavelength
long
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15
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How does increasing volume affect the amplitude of a sound wave?
louder volume = larger amplitude
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15
×
What types of energy do we get from the sun?
heat and light/EMR
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banana
Go to last place!
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fairy
Take points!
5
10
15
20
25
×
gift
Win 5 points!
Okay!
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thief
Give points!
5
10
15
20
25
15
×
A student can only use paper and tape to build a bridge. What is this?
criteria
constraint
data
solution
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15
×
What is most important when testing a raincoat?
how much it costs
how well it keeps out water
the color of the material
how warm it feels
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trap
No points!
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shark
Other team loses 5 points!
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gift
Win 20 points!
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lifesaver
Give 15 points!
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banana
Go to last place!
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seesaw
Swap points!
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gift
Win 25 points!
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banana
Go to last place!
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15
×
does sound travel faster through solids, liquids, or gasses?
solids --> usually. Especially solids like metal.
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15
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What type of energy from the sun do solar panels use to generate electricity?
light
sound
color
heat
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15
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What happen's to a stretched or compressed spring's energy when it is released?
nothing happens, it stays the same when it's released
the energy disappears
it becomes motion energy
it converts to chemical energy
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15
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Why does a bouncing ball not bounce as high each time?
some energy is changed to heat and sound, some energy is transferred to the ground
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15
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When you touch a metal spoon in a bowl of hot soup, why does it feel hot?
heat moves from your cooler hand into the warmer spoon
the heat disappears and then reappears in the spoon
the collision of your hand and the spoon transfers energy
heat moves from the warmer soup into the cooler spoon
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15
×
Which of these objects has the most motion energy?
a slow moving ping pong ball
a slow moving bowling ball
a fast moving bowling ball
a fast moving ping pong ball
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15
×
Why do engineers share their results?
to make other people do the work
to keep their ideas secret
so they can stop redesigning
to show what works and what doesn't work
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