Final review Flashcards

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1
Q

Condensation

A

Gas turns into liquid

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2
Q

Melting

A

Solid turns into liquid

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3
Q

Evaporation

A

Liquid turns into gas

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4
Q

Freezing

A

Liquid turns into solid

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5
Q

A squashed rubber ball suffers a _________ change

A

Reversible

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6
Q

Ice to water suffers a _________ change

A

Reversible

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7
Q

A raw egg to cooked egg suffers an _______ change

A

Irreversible

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8
Q

There is a glass of cola with 3 ice cubes in it. It is left in a
warm room for five minutes. The ice cubes become smaller. What happened?

A

Ice cubes melt, gas condenses on the outside of the glass.

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9
Q

Gas particles

A

Are spread out, in constant motion and colliding with each other.

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10
Q

Solid particles

A

Packed close together, no space to move at all

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11
Q

Liquid particles

A

A little space to move around

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12
Q

A colander is used to separate

A

food from boiling water

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13
Q

You can use your fingers to separate

A

mixed nuts

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14
Q

To separate sand and water you use

A

filter funnel

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15
Q

To separate copper and iron powder you use

A

bar magnet

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16
Q

Organ that digests food

A

stomach

17
Q

Organ in charge of exchanging gases

A

lungs

18
Q

Major respiratory system organ

A

Lungs

19
Q

Major nervous system organ

A

brain

20
Q

Major urinary system organ

A

kidneys

21
Q

Major circulatory system organ

A

heart

22
Q

Major digestive system organ

A

stomach

23
Q

Producer

A

A green plant that makes its own food

24
Q

Prey

A

An animal that is eaten

25
Q

Predator

A

An animal that eats another animal

26
Q

Type of forces applied to a car

A

Upthrust, Friction, Weight, Car force

27
Q

Type of forces applied to a kite

A

Lift, Pulling force, Force of the wind, Weightt

28
Q

Type of forces applied to a parachute

A

Lift, Pulling force/Force of the wind, Force of the wind / Pulling force, Weight

29
Q

Does the mass of an astronaut changes in space?

A

Astronauts may not weigh anything in space and can float around freely, their body shape and size does not change.

30
Q

Conductor

A

A material that allows electricity to flow through it

31
Q

Insulator

A

A material that does not allow electricity to flow through

32
Q

Examples of conductors

A

Metals, water

33
Q

Examples of insulators

A

Cotton, Fabric, rubber, etc.

34
Q

Galileo used a

A

telescope

35
Q

If the Earth were to spin faster on its axis what would happen

A

Shorter days and nights

36
Q

Every year

A

the earth orbits the sun

37
Q

The earth spins on its axis every

A

day