S6 Final Test Flashcards

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1
Q

What do we call mixtures in which the individual parts cannot be seen as separates?

A

Homogeneous

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2
Q

What do you call mixtures in which individual parts can be seen?

A

Heterogeneous

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3
Q

Which law states that objects at rest tend to stay at rest and objects and emotions tend to stay in motion in a straight line unless act upon by force

A

Newton first law of motion

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4
Q

Which law states the forever action there’s an equal and opposite reaction

A

Newton third law of motion

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5
Q

True or false friction is a force resist movement between two objects

A

True

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6
Q

True or false lubrication in increases friction to make something difficult to move

A

False lubrication increases how easy something is to move

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7
Q

(Yes, or no) can energy be created or destroyed?

A

No

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8
Q

True or false kinetic energy is stored energy

A

False

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9
Q

True or false stored energy is preferred as potential energy

A

True

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10
Q

Name two kinds of renewable energy

A

The sun ,wind ,and water

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11
Q

Name two forms of energy we get from fossil

A

Oil and methane (nature gas)

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12
Q

What do you call vibrations at travel through a material from a source

A

Sound

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13
Q

True or false ultrasound is too low for our ears to hear

A

False ultrasound is too high-pitched for our ears to hear

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14
Q

What is ROY G. BIV stand for

A

Red, orange, yellow, green, blue, indigo and violet

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15
Q

What are two kinds of invisible light at each end of the spectrum

A

Ultraviolet and infrared

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16
Q

What are three things needed to start a fire?

A

Fuel ,oxygen and,heat

17
Q

True or false electricity flows into your house through a direct current

A

True

18
Q

What is the region around a magnet that produces a magnetic force?

A

The domain

19
Q

True or false the Earth core is made out of marshmallows

A

Boss, it is made out of liquid iron and some liquid nickel

20
Q

What letter has a fulcrum in the center and a load and effort on opposite end?

A

A first class ever

21
Q

What must a wheel have to work?

A

An axle

22
Q

Which pulley system makes work easier a single pulley system or double pulley system

A

A double pulley system

23
Q

True or false radiant heat can travels through space

A

True

24
Q

True or false a magnet powered biological current that can be turned off. It’s called an electromagnetic.

A

True