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15
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Give 3 examples of things which have luminous energy.
lightbulb, electronic screens, lamp, flashlight, fire, the sun, lava, etc.
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15
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Name 3 examples of Chemical changes.
Burning paper, rotting banana, Fireworks, Metabolism, Oxidization, Mixing vinegar and baking soda, etc
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10
×
Why does leaving trees and vegetation protect soil?
The trees hold the soil in place, stopping water from moving it and causing mudslides.
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5
×
Is a hamburger a heterogeneous or homogeneous mixture?
heterogeneous
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10
×
Mention 3 non renewable energies.
Coal, natural gas, Oil, Nuclear.
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10
×
How do I calculate density?
I divide the mass of something by it's volume
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seesaw
Swap points!
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magnet
Take 15 points!
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rocket
Go to first place!
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baam
Lose 25 points!
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10
×
When a liquid becomes a gas, what is it called?
Vaporization (evaporation)
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15
×
Give an example of 3 tranformations of energy which occurs in cars.
Chemical to kinetic (fuel to car), chem to therm (fuel to heater), chem to lum (battery to lights))
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15
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Name 3 examples of physical changes.
Fold a paper, Shred a paper, Break a glass, melt an ice cube, Squash a paper, Roll a ball, Mix water and sugar, etc.
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15
×
Mention 5 renewable energies.
Solar, wind, biomass, hydroelectric, geothermal
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5
×
If the volume of a rock is 55 and the mass is 5, what would the density be?
11
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5
×
What is Luminous energy?
Energy of light
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lifesaver
Give 20 points!
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star
Double points!
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rocket
Go to first place!
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thief
Give points!
5
10
15
20
25
5
×
Is garbage a heterogeneous or homogeneous mixture?
heterogeneous
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baam
Lose 20 points!
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shark
Other team loses 10 points!
Okay!
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gift
Win 5 points!
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banana
Go to last place!
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