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Science > Volume, Density, Area, Speed, Time, Mass > Flashcards

Volume, Density, Area, Speed, Time, Mass Flashcards

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0
Q

What is the method of finding the volume of a regular solid?

A

Length ✖️ width ✖️ height

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1
Q

What is used to measure the volume of a liquid?

A

A burette/pipette

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2
Q

How do you find the volume of an irregular solid?

A

Method of displacement (overflow can)

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3
Q

What is density?

A

The density of a substance is its mass per unit volume

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4
Q

What is the S.I unit of density?

A

Kg/m-3

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5
Q

What is the formula to find somethings density?

A

Mass divided by volume

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6
Q

To find the density of a liquid you must….

A

1) use a burette/pipette to find its volume
2) weigh a beaker
3) weigh the beaker with the liquid in it
4) take the weight of the beaker from the weight of the beaker with the liquid in it to get the mass of the liquid
5) divide the mass by the volume

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7
Q

How do you find the density of an irregular solid?

A

1) Weigh the object to get its mass
2) get the volume by using the displacement method
3) divide the mass by the volume

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8
Q

What is the mass of an object?

A

The mass of an object is the amount of matter or stuff in it

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9
Q

What is area?

A

The area of a shape is the amount of surface enclosed within its boundary lines

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10
Q

How do you find the area of a square?

A

Length ✖️ length

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11
Q

How do you find the area of a rectangle?

A

Length ✖️ width

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12
Q

How do you find the area of a triangle?

A

Half the base ✖️ the perpendicular height

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13
Q

How do you find the area of a circle?

A

Pie (3.14?) ✖️ the radius squared

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14
Q

The S.I unit of area is the…?

A

Square metre (m-2)

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15
Q

What is volume?

A

The volume of an object is the amount of space it takes up

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16
Q

What is the S.I unit for volume?

A

The cubic metre (m-3)

17
Q

Volume = ….

A

Volume = length ✖️ width ✖️ height

18
Q

When do substances float in water?

A

If they are less dense than the water

19
Q

What is the speed of an object?

A

The speed of an object is the distance it travels per unit time

20
Q

What is the unit for speed?

A

Metres per second (m/s)

21
Q

How do you calculate speed?

A

Distance travelled divided by time taken

22
Q

What is velocity?

A

The velocity of an object is its speed in a certain direction

23
Q

What is acceleration?

A

Acceleration is the rate of change of velocity (or speed)

24
Q

What is the unit of acceleration?

A

Metre per second per second (m/s/s)

25
Q

How do you calculate the acceleration?

A

Acceleration = change in velocity
divided by
Time

26
Q

What is deceleration?

A

When the object is losing velocity

27
Q

What is the S.I unit of length?

A

The metre

28
Q

What can be used to measure lengths?

A

Metre stick, ruler, measuring tape, callipers, vernier callipers, opisometre, trundle wheel

29
Q

What is the mass of an object?

A

The mass of an object is the amount of matter/stuff in it

30
Q

How do you get an objects mass?

A

Weigh it

31
Q

What is the S.I unit of mass?

A

Kilogram

32
Q

How many grams is in a kilogram?

A

1000

33
Q

What is the S.I unit of time?

A

The second

34
Q

What is temperature?

A

The temperature of an object is the measurement of how hot/cold it is

35
Q

The unit of temperature is the…. ?

A

Degrees Celsius

36
Q

What is used to measure temperature?

A

Thermometer

37
Q

What is pie?

A

3.14

38
Q

What is the density of Metholyene spirits?

A

0.83g

39
Q

What is the density of parofinn oil?

A

0.8g

Science (14 decks)

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