What is the boiling point of water? (ๆฐด็ๆฒธ็นๆฏๅคๅฐ๏ผ)
100ยฐC
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baam
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shark
Other team loses 10 points!
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shark
Other team loses 25 points!
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thief
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15
What happens to substances (็ฉ่ดจ) when they are heated?
Are heated: They expand / take up more space. (่จ่/ๅ ็จ็ฉบ้ดๅๅคง)
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15
What happens to substances (็ฉ่ดจ) when they cool down?
Cool down: They contract / take up less space. (ๆถ็ผฉ/ๅ ็จ็ฉบ้ดๅๅฐ)
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trap
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fairy
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fairy
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baam
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15
Whatโs the difference between a reversible and an irreversible change? (ๅฏ้ๅๅๅไธๅฏ้ๅๅ็ๅบๅซๆฏไปไน๏ผ)
A reversible change can be changed back to how it was before (ๅฏไปฅ่ฟๅ). An irreversible change cannot be changed back (ไธๅฏไปฅ่ฟๅ).
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15
What are the names for the changes that can happen between states of matter? (็ฉ่ดจ็ถๆๅๅ็ๅ็งฐๆฏไปไน๏ผ)
Melting (็ๅ), Freezing (ๅๅบ), Evaporating (่ธๅ), and Condensing (ๆถฒๅ).
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baam
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fairy
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gift
Win 20 points!
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lifesaver
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lifesaver
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seesaw
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shark
Other team loses 15 points!
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15
What are particles (็ฒๅญ) like in a gas?
Gas: Very far apart and move quickly in all directions. (่ท็ฆปๅพ่ฟ๏ผๅฟซ้ๅๅไธชๆนๅ็งปๅจ)
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15
What are particles (็ฒๅญ) like in a solid?
Solid: Very close together and can only vibrate. (้ ๅพๅพ่ฟ๏ผๅช่ฝๆฏๅจ)
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15
What is the difference between pitch and volume? (้ณ่ฐๅ้ณ้็ๅบๅซๆฏไปไน๏ผ)
Pitch is how high or low a sound is (ๅฃฐ้ณ็้ซไฝ). Volume is how loud or quiet a sound is (ๅฃฐ้ณ็ๅคงๅฐ).
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15
What is the melting point of water? (ๆฐด็็็นๆฏๅคๅฐ๏ผ)
0ยฐC
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15
What are the 3 states of matter? (็ฉ่ดจ็ไธ็ง็ถๆๆฏไปไน๏ผ)
Solid (ๅบไฝ), Liquid (ๆถฒไฝ), and Gas (ๆฐไฝ).
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15
How are sounds made? (ๅฃฐ้ณๆฏๅฆไฝไบง็็๏ผ)
Sounds are made when objects vibrate (็ฉไฝๆฏๅจ). Vibrations are quick movements back and forth.
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15
What is the difference between a solvent and a solute? (ๆบถๅๅๆบถ่ดจ็ๅบๅซๆฏไปไน๏ผ)
A solute is the solid that dissolves (ๆบถ่ดจๆฏๆบถ่งฃ็ๅบไฝ๏ผๅฆ็ณ). A solvent is the liquid the solid dissolves into (ๆบถๅๆฏๅบไฝๆบถ่งฃๅจๅ ถไธญ็ๆถฒไฝ๏ผๅฆๆฐด).
