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Flashcards in First Test Of Year 9 Deck (18)
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1

How many mm are in 1 cm?

10

2

How many mm in 1m?

1000

3

How many cm in 1m?

100

4

How many cm squared in 1m squared

10000

5

How many cm cubed in 1m cubed?

1000000

6

What is the standard unit of length, area, and volume?

Metres, metre squared, metre cubed

7

How do you find density?

Density = mass
———-
Volume

8

What is the triangle for density, mass and volume?

M
——————
p x V

9

What are the standard units for density?

Kg and m cubed, giving a standard unit for density being kg/m cubed

Sometimes it’s easier to use g and cm cubed, so an alternative unit is g/cm cubed

10

What are some units for mass?

Mg, g, kg, tonnes

11

What is the standard unit for force?

N

12

What happens to objects with mass?

They are attracted to each other

13

How do you increase the attraction between two objects?

The greater the mass and the closer they are together

14

What is the gravitational force that pulls you down towards the centre of the earth?

Weight

15

What is mass?

How much mass an object contains

16

Does mass change?

No

17

Does weight change?

Yes

18

How do you find weight?

W=mg (weight = mass x gravitational field strength