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Cambridge Science > Progression test 2022 > Flashcards

Progression test 2022 Flashcards

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Biology 101 flashcards
1
Q

How many Volts does one cell?

A

1.5V

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2
Q

What is a conductor?

A

A material that allows electricity to pass through it

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3
Q

What is an insulator?

A

A material that doesn’t allow electricity to pass through it

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4
Q

Name some conductors:

A

copper, human body, gold, aluminium

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5
Q

Name some insulators:

A

plastic, rubber, styrofoam, glass, paper

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6
Q

What kind of water does not conduct elctricity?

A

Pure water

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7
Q

What kind of water conducts electricity?

A

Water with salt dissolved in it

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8
Q

What do we use to measure current?

A

a multimeter

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9
Q

What are alloys?

A

objects that are made of a combination of metals

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10
Q

What is stainless steel made of?

A

iron, nickel and chromium

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11
Q

which metal is the best conductor?

A

silver

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12
Q

What will changing the length/thickness of a wire change in a circuit?

A

The strength of the current

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13
Q

What are the main organs of the digestive system?

A

stomach, large intestine, small intestine, esophagus

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14
Q

How does digested food reach all parts of the body?

A

The tiny food particles turn into blood which is carried through the body

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15
Q

What is a mixture?

A

is made up of two or more substances mixed together

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16
Q

What is a soluble substance?

A

substances that dissolve in liquids

17
Q

What is a insoluble substance?

A

substances that don’t dissolve in liquids

18
Q

What is a habitat?

A

a home in the environment for plants/animals

19
Q

What is a food chain?

A

the feeding relationship

20
Q

What is a producer?

A

organism that produces its own food

21
Q

What is a consumer?

A

Animals that eat other plants

22
Q

What is a predator?

A

An animal that eats other animals

23
Q

What is a prey?

A

An animal that is eaten by a predator

24
Q

What is mass?

A

The amount of matter in an object

25
Q

What is weight?

A

the amount of force that pulls objects towards the Earth

26
Q

How do forces act?

A

Forces act in pairs . Each force acts in the opposite direction to the other

27
Q

What are balanced forces?

A

when both forces are the same size

28
Q

What are unbalanced forces?

A

when one force is bigger than the opposite force

29
Q

When is there a net force?

A

when forces are not balanced

30
Q

what effects can forces have on an object?

A

change the movement of an object by speeding it up or slowing it down
change the direction of movement
change the shape of an object

Cambridge Science (1 decks)

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