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Flashcards in Mixture of Physics Deck (30)
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1

What unit is used to measure forces?

Newtons

2

At what time of day will shadows be the shortest?

Midday

3

How many days does it take for the Earth to orbit the Sun?

364 1/4

4

How fast does light travel?

300,000 km/s

5


What thing can also be described as an invisible push or pull?

force

6

In what way does light travel?

In straight lines

7

A complete circuit occurs when there are:

No gaps

8

What direction does the Sun rise from?

East

9


When the forces of gravity and water are balanced, an object will do what?

float

10

What depends on the energy of a vibration?

Loudness

11

What is the boiling point of water?

99.98 degrees Celsius

12

What sort of lines should be drawn to denote the wires in a circuit?

Straight

13

Name something that is NOT a luminous source of light energy?

Mirror

14

What is the name of a body that orbits a star?

A Planet

15

What happens to a bar of steel when it is cooled down?

It gets shorter

16

Wires are known as what?

Electrical conductors

17

What is the transition from a solid to a gas called?

Sublimation

18

Which of these is the amount of kinetic energy dependent on?

Mass

19

What will happen to light when it hits a rough surface?

Scatter

20

Can you compress gas?

Yes

21

What is the name of a body that orbits a planet?

Satellite

22

What unit is used to measure work?

Joule

23

In which state do atoms have the most energy?

Gases

24

Complete the statement: gravity will only ever ……

Pull

25

What is the melting point of water?

0.0 degrees Celsius

26

What name is given to materials through which light cannot pass?

Opaque

27

What process causes sound waves to be produced?

Vibration

28

If the number of cells > number of lamps, the lamps will be what?

Brighter

29

Which force keeps the planets in orbit?

Gravity

30

What sort of wire is used to prevent an electric shock?

earth wire