Hair standing straight up after removing a wool hat is an example of ______________.
static electricity
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baam
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fairy
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25
fairy
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25
baam
Lose 25 points!
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15
True or False: Magnets attract all metals.
False. Magnets attract some metals such as iron, nickel, and cobalt.
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15
Sylvia placed baking soda and vinegar in the bottom of 4 water bottles. It started fizzing and the balloon began to increase in size. What kind of change is happening in the photo?
chemical change
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15
If you take a sheet of paper and make a paper airplane, what kind of change takes place?
physical change
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20
True of False: Socks from the dryer sticking together is an example of human-harnessed electricity?
False. Socks sticking together is an example of static electricity.
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20
Anthony's dad wired new lights for his bedroom. When he thought everything was connected correctly, he turned on the switch and nothing happened. Is the problem from a closed or an open circuit?
It's because of an open circuit so electrons cannot flow along the path.
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thief
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shark
Other team loses 10 points!
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gift
Win 25 points!
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baam
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20
Electricity cannot flow through rubber, therefore rubber is a(n) ____________.
insulator
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20
Roman mixed his favorite small snacks into a trail mix. How did the physical properties of the different snacks change when he created the mixture?
The physical properties stayed the same and did not change.
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20
What form of energy is cause by moving electrons?
electricity
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15
What process occurs when ice absorbs heat energy from its surroundings?
The ice melts.
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15
Weiyi poured lemonade into a cup and took a sip. She noticed the lemonade was warm, so she put it in the freezer. She forgot about it until the next day. When she took it out of the freezer, the lemonade had changed from a BLANK to a BLANK.
liquid to solid
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thief
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25
star
Double points!
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shark
Other team loses 15 points!
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baam
Lose 10 points!
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15
Where is the magnetic field the strongest on a magnet?
at the ends or the poles
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15
Maggie is making pancakes. How do the pancakes change as they are cooked? Is this a physical change or a chemical change?