What is the name of the process that occurs when a liquid turns into a gas?
evaporation / boiling / vaporization
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20
Does adding salt make water boil faster? In this experiment, the amount of water used is which type of variable?
Controlled variable
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15
Which setup will dissolve salt the slowest?
Setup 1
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20
Does colored water evaporate faster then clear water? In this experiment, which type of variable would the "time it takes the water to evaporate" be?
Dependent variable
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15
True or False: During boiling, the bubbles are empty spaces only; they do not contain anything
False - bubbles have water vapor inside
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thief
Give points!
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25
shark
Other team loses 10 points!
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fairy
Take points!
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banana
Go to last place!
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25
A viral video from 2019 showed a boy sitting calmly in boiling water. Is the water really boiling? Why/Why not?
This is fake news! If the water is boiling, where are the bubbles? where's the steam? The bubbles should make the surface of the water chaotic, not calm
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seesaw
Swap points!
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star
Double points!
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gift
Win 10 points!
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banana
Go to last place!
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heart
Other team wins 25 points!
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gold
Win 50 points!
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fairy
Take points!
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25
thief
Give points!
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15
Plants absorb 3 things (sunlight, carbon dioxide, and water) and change them into plant food (sugars). This change is a physical or chemical change?
Chemical change
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20
Choose the best words: When a solid melts, there is an (increase/ decrease) in energy, and the particles move (faster/ slower)
There is an INCREASE in energy, and particles move FASTER
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15
3 syringes (see pic) are filled with a solid, liquid, and gas. Which syringe will be the hardest to press/ push down?
Syringe filled with a solid
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15
When iron rusts, this is an example of a ____ change
chemical change
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15
True or False: It is impossible to separate sugar and water when they form a solution
False. Remember dissolving is a physical/ reversible process!
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20
Which two states of matter in the drawing have fixed VOLUME? (Hint: volume measured in liters)