Quiz
Forces
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Perguntas do quiz (29)
1A force is
- Aa spring
- Ban engine
- Ca movement
- Da push or pull
2Which answer shows three non-contact forces?
- Amagnetism, gravity, friction
- Bgravity, friction, upthrust
- Cgravity, static electricity, magnetism
- Dupthrust, static electricity, friction
3The unit of force is the:
- Anewton
- Bkilogram
- Cgram
- Dmetre
4A force can be measured using:
- Aa stop clock
- Ba ruler
- Ca thermometer
- Da force meter
5A boat will float because
- Agravity does not work over water.
- Bit is built out of light materials.
- Cupthrust pushes against its weight.
- Dit has air inside it.
6You can find the volume of the object in the can by:
- Ameasuring the object and multiplying the numbers.
- Bmeasuring the volume of water it displaces.
- Cweighing the object.
- Dusing a thermometer.
7An elastic material
- Adoes not stretch.
- Bstretches and stays in its new shape.
- Cstretches and then goes back to its original shape.
- Dcannot be squashed.
8What are the units for weight and mass?
- Aweight - newtons
mass - kilograms - Bweight - kilograms
mass - newtons - Cweight - kilograms
mass - kilograms - Dweight - newtons
mass - newtons
- Aweight - newtons
9Which is true?
- AYour weight would be the same on the Earth and on the Moon.
- BYour mass would be the same on the Earth and on the Moon.
- CYour weight would be more on the Moon than on the Earth.
- DYour mass would be less on the Moon than on the Earth.
10What do most force meters have inside them?
- Aa light bulb
- Ba spring
- Cwires
- Da battery
11Which of the following sentences about friction is not correct?
- AFriction can make an object get hotter.
- BFriction wears car tyres away.
- CFriction slows down a ball rolling in grass.
- DFriction can speed up a falling object.
12Which of these would produce the most friction when they rub together?
- Aa rough surface and a smooth one
- Btwo smooth surfaces
- Ctwo rough surfaces
- Dtwo smooth surfaces with oil between them
13Which example shows unhelpful friction?
- Afriction between a tyre and the road
- Bfriction in the wheel axles of a bicycle
- Cfriction between paper and the point of a pencil
- Dfriction between your shoes and the floor
14Which of the following is not an example of a lubricant?
- Agrease for bicycle chains
- Brubber on car tyres
- Cwater on swimming pool tiles
- Doil in a car engine
15The speed of a car is a measure of how _________ it is travelling. Which is the missing word?
- Afar
- Bfast
- Clong
- Dhigh
16If a car goes faster:
- Athe thinking distance does not change.
- Bits stopping distance increases.
- Cits braking distance does not change.
- Dits braking distance gets less.
17Which of these factors will help a car to stop quickly?
- Aa tired driver
- Bgoing uphill
- Cworn tyres
- Da wet road
18This graph shows the distance moved by someone catching a bus. Which part of the graph shows the person waiting at the bus stop?
- Aa to b
- Bb to c
- Cc to d
- Dd to e
19A foce can be a [blank_start]____[blank_end] or [blank_start]____[blank_end] .
- Acolour
- Bdirection
- Cflavour
- Dpull
- Epush
- Fshape
- Gspeed
20Forces can change the shape, [blank_start]____[blank_end] or [blank_start]____[blank_end] of things.
- Acolour
- Bdirection
- Cflavour
- Dpull
- Epush
- Fspeed
21Which of these is an example of useful friction?
- Ashoes on floor
- Bin an engine
- Caxles in a bike
- Dwet road
22Select all the ways to increase the friction between two surfaces.
- Amake surfaces rougher
- Buse oil
- Cmake surfaces smoother
- Duse water
23Which pictures shows balanced forces?
- AA
- BB
- CC
24What will happen to the speed of the car?
- Aspeed up
- Bslow down
- Cstay the same
25What will happen to the speed of the boat?
- Aslow down
- Bstay the same
- Cspeed up
26Select all the correct statements.
- AMass is the amount of substance in something.
- BWeight is the amount of substance in something.
- CYour mass would be the same on the Earth and the Moon.
- DYour weight would be the same on the Earth and the Moon.
- EMass is a force.
27Rizwan cycled to his friend’s house. This distance/time graph shows his journey. How far is it from Rizwan’s house to his friend’s house?
- A1 mile
- B2 miles
- C3 miles
- D4.5 miles
28Rizwan cycled to his friend’s house. This distance/time graph shows his journey. Rizwan cycled down a steep hill on his journey. Which part of the graph shows this?
- ABetween 0 and 10 minutes
- BBetween 10 and 30 minutes
- CBetween 36 and 50 minutes
- DBetween 50 and 54 minutes
29Rizwan cycled to his friend’s house. This distance/time graph shows his journey. Rizwan stopped for a rest during his ride. How long did he stop for?
- A4 minutes
- B6 minutes
- C8 minutes
- D10 minutes
Informações
- Descrição
- Year 7 Science Quiz sobre Forces, criado por Archana RELAN em 09-05-2020.
- Autor
- Archana RELAN
- Idioma
- English
- Visualizações
- 73
- Etiquetas
- Avaliação
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