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15
×
What symbol is used for a cell in a circuit diagram?
A long line and a short line parallel to each other
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15
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What do we call medicines that help with indigestion by neutralizing stomach acid?
Antacids
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15
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What produces acid in your mouth that can damage teeth?
Bacteria
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15
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What features such as color, state, or melting point are examples of?
Physical properties
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baam
Lose 10 points!
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shark
Other team loses 20 points!
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fairy
Take points!
5
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25
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thief
Give points!
5
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25
15
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Name three good electrical insulators.
Plastic, wood, air
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15
×
What gas will relight a glowing splint?
Oxygen
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15
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What are used on power lines to stop current flowing into metal pylons?
Insulators
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15
×
In what type of change are no new substances formed?
Physical change
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15
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What causes acid rain?
Harmful chemicals in the air
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15
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What type of particles flow through wires in an electrical circuit?
Electrons
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thief
Give points!
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25
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gift
Win 25 points!
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rocket
Go to first place!
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lifesaver
Give 20 points!
Oops!
15
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What piece of equipment is used to neutralize an alkali very accurately?
Burette
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seesaw
Swap points!
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rocket
Go to first place!
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gift
Win 20 points!
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banana
Go to last place!
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15
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What do farmers spread on acidic soil to neutralize it?
Lime
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15
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In printed circuit boards, what material is used to carry current?
Copper tracks
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