Grade 8- first term exam review | Baamboozle - Baamboozle

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20

Why is alcohol used to test for starch in leaves?

it dissolves chlorophyll

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10

in isotopes, atoms have different proton numbers, t/f?

false

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10

once a seed is formed, the petals and anthers and stigma, wither away, t/F?

true

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15

how did democritus contribute in the history of atoms?

suggested the word' atoms'

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20

Elaborate on 2 properties of a neutron

in the nucleus, has a mass of 1, neutral charge

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15

a sherbet candy in your mouth fizzes, is it endothermic/exothermic?

endothermic

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boom

Lose 50 points!

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fairy

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25

rocket

Go to first place!

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thief

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15

The famous gold foil experiment was conducted by?

Ernest rutherford

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20

Name two adaptations of a mangrove tree.

aerial roots, seeds growing vertically, leaves excreting salt etc

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10

wind pollinated flowers have brighter, more colorful sweet smelling petals, T/F?

false

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15

What did John Dalton do?

came up with the atomic theory

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10

to test for carbon dioxide, calcium carbonate is used, T/F?

false

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15

what physical feature in a polar bear prevents excessive loss of body heat?

thick coat, small ears etc

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15

a puddle evaporates after a rainy day, is this endothermic or exothermic?

endothermic

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trap

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fairy

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25

fairy

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lifesaver

Give 20 points!

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trap

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fairy

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shark

Other team loses 20 points!

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baam

Lose 20 points!

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