True & false The anomalous value shows us that our values are precise.
false
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15
What happens when zinc is attached to a steel ship?
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10
Endothermic changes transfer energy from the surroundings
True
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15
Which of the following is NOT an inert metal?
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10
True or False Magnesium is more reactive than zinc.
True
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15
In the reactivity series, metals become ______ as you go down the list.
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baam
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gift
Win 20 points!
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gift
Win 25 points!
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baam
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10
True or False Copper reacts easily with oxygen and water.
False
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15
âĶâĶâĶFrom the poisonous metals that dissolved in Rio Tinto River
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baam
Lose 15 points!
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seesaw
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rocket
Go to first place!
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lifesaver
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15
Which metal is used for sacrificial protection on steel ships?
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15
Iron reacts with water and oxygen to form Rust which is
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trap
No points!
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gold
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fairy
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5
10
15
20
25
lifesaver
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banana
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seesaw
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shark
Other team loses 10 points!
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lifesaver
Give 20 points!
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15
A) Why is an endothermic reaction useful in a cold pack? Explain how it helps when someone has an injury.
- When ammonium nitrate dissolves, it absorbs heat energy from its surroundings, making the cold pack cool. - This cooling helps reduce pain and swelling by ta
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15
Which term describes a substance that does not take part in chemical reactions?
