Sleep under bed nets, wear long sleeves and trousers, keep doors and windows closed at night, use insect repellent, burn mosquito coils to keep them away.
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15
What does the stomach contain to defend against diseases?
acid
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15
When we breathe in, describe the path the oxygen takes.
nose / mouth --> windpipe --> lungs --> blood
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seesaw
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gold
Win 50 points!
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gift
Win 20 points!
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thief
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15
Describe the term "boiling point".
The temperature at which a liquid becomes a gas.
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15
What do we call substances that do not conduct electricity?
Electrical insulators
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15
Draw the circuit symbol of a buzzer.
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15
Name two ways to increase the dissolving rate.
Stirring and heating the solvent.
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15
What is one feature of INTRUSTIVE IGNEOUS ROCK?
Coarse crystalline texture; Crystals can be seen with the naked eye; Takes thousands of years to form crystals
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lifesaver
Give 15 points!
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fairy
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rocket
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banana
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baam
Lose 25 points!
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seesaw
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rocket
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baam
Lose 10 points!
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15
Explain why a physical change is reversible.
This is because a physical change alters how a substance looks and feels. It does not change into a new substance.
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15
Draw the circuit symbol of a 3V battery on the board.