Lakshmi Lakshmanan
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Year 7 Physics Quiz on Physics Quiz, created by Lakshmi Lakshmanan on 17/05/2017.

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Lakshmi Lakshmanan
Created by Lakshmi Lakshmanan about 7 years ago
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Physics Quiz

Question 1 of 60

1

What is energy?

Select one of the following:

  • Measure of what an object can do

  • Measure of the matter an object has

  • Measure of the distance covered per unit time

Explanation

Question 2 of 60

1

Fill the blank space to complete the text.

Energy is measured in

Explanation

Question 3 of 60

1

Which one of the option listed below are types of energy?

Select one or more of the following:

  • Nuclear potential energy

  • Acidic energy

  • Kinetic energy

  • Gas energy

Explanation

Question 4 of 60

1

Energy can be destroyed.

Select one of the following:

  • True
  • False

Explanation

Question 5 of 60

1

Energy can be transformed from one type to another.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 60

1

Fill the blank space to complete the text.

is a way of transferring energy.

Explanation

Question 7 of 60

1

Work done is a measure of energy.

Select one of the following:

  • True
  • False

Explanation

Question 8 of 60

1

What unit does work done have?

Select one of the following:

  • Joules

  • Watts

  • Volts

  • Kilograms

Explanation

Question 9 of 60

1

Select from the dropdown list to complete the text.

Work done calculates how much energy is needed to move an object with a ( force, speed, height ) and a distance.

Explanation

Question 10 of 60

1

What is the equation for work done?

Select one of the following:

  • Work done = force*distance

  • work done=energy /time

Explanation

Question 11 of 60

1

Fill the blank space to complete the text.

The force is measured in (N)

Explanation

Question 12 of 60

1

The distance is measured in centimetres.

Select one of the following:

  • True
  • False

Explanation

Question 13 of 60

1

Power calculates :

Select one of the following:

  • the rate at which energy is delivered

  • the speed of something

Explanation

Question 14 of 60

1

P=E/t

Select one of the following:

  • True
  • False

Explanation

Question 15 of 60

1

Select from the dropdown lists to complete the text.

The unit of power is ( watt, Volt, Joules ) (W) and the ( time, energy, distilation ) is always in seconds (s).

Explanation

Question 16 of 60

1

Efficiency shows the percentage of energy that is converted into:

Select one of the following:

  • useful energy

  • wasted energy

Explanation

Question 17 of 60

1

Efficiency = 100(Useful energy output/ total energy input)

Select one of the following:

  • True
  • False

Explanation

Question 18 of 60

1

Fill the blank space to complete the text.

The energy contained in foods is energy.

Explanation

Question 19 of 60

1

What is a calorie?

Select one of the following:

  • unit of energy used for how much energy is in food

  • unit of speed for how fast a vehicle can travel

Explanation

Question 20 of 60

1

1 Kcal =4841J

Select one of the following:

  • True
  • False

Explanation

Question 21 of 60

1

What is an energy resource?

Select one of the following:

  • Where the energy comes from

  • where the source of energy comes from

Explanation

Question 22 of 60

1

What is a non-renewable energy resource?

Select one of the following:

  • resource that will one day run out

  • it will never run out

Explanation

Question 23 of 60

1

Where does energy for tidal power come from?

Select one of the following:

  • the sun

  • the moon

Explanation

Question 24 of 60

1

Nuclear power is when radio active material , usually uranium or thorium , is bombarded with neutrons.

Select one of the following:

  • True
  • False

Explanation

Question 25 of 60

1

What is the difference between biomass and biofuel?

Select one of the following:

  • biomass is used to produce biofuel

  • biomass is bigger than biofuel

Explanation

Question 26 of 60

1

What is speed?

Select one of the following:

  • it's the distance covered per unit tme

  • it's the height covered per unit time

Explanation

Question 27 of 60

1

s=d/t

Select one of the following:

  • True
  • False

Explanation

Question 28 of 60

1

What is the unit for speed?

Select one of the following:

  • m/s

  • mph

Explanation

Question 29 of 60

1

What is the unit for distance?

Select one of the following:

  • metres

  • kilometres

Explanation

Question 30 of 60

1

Fill the blank space to complete the text.

On a distance time graph, the steeper the line , the the object is moving.

Explanation

Question 31 of 60

1

Fill the blank space to complete the text.

On a distance time graph, a line shows a constant speed.

Explanation

Question 32 of 60

1

Fill the blank spaces to complete the text.

Velocity describes the at which something is travelling and the

Explanation

Question 33 of 60

1

Acceleration = velocity / time

Select one of the following:

  • True
  • False

Explanation

Question 34 of 60

1

What is a contact force?

Select one of the following:

  • it acts directly on the object

  • it acts at a distance from an object

Explanation

Question 35 of 60

1

Fill the blank space to complete the text.

A diagram shows all the forces acting on a single object.

Explanation

Question 36 of 60

1

What is weight?

Select one of the following:

  • the force on an object due to mass and the amount of gravity.

  • the amount of matter an object has

Explanation

Question 37 of 60

1

What is the equation for weight?

Select one or more of the following:

  • Weight =mass *gravity field strength

  • W=mg

  • W=v/t

Explanation

Question 38 of 60

1

Fill the blank space to complete the text.

On the earth the gravity is

Explanation

Question 39 of 60

1

Fill the blank space to complete the text.

On the moon the gravity is

Explanation

Question 40 of 60

1

What are forces measured using?

Select one of the following:

  • Newton meter

  • ammeter

Explanation

Question 41 of 60

1

The units for force are:

Select one of the following:

  • newtons

  • amps

Explanation

Question 42 of 60

1

Newton's first law- Unbalanced forces cause an acceleration.

Select one of the following:

  • True
  • False

Explanation

Question 43 of 60

1

Newton's second law -An object's mass affects how much force is needed to accelerate it.

Select one of the following:

  • True
  • False

Explanation

Question 44 of 60

1

According to Newton's second law, what's the equation for acceleration?

Select one of the following:

  • acceleration=force/mass

  • acceleration=mass/force

Explanation

Question 45 of 60

1

The unit for acceleration is m/s

Select one of the following:

  • True
  • False

Explanation

Question 46 of 60

1

The unit for mass is kg

Select one of the following:

  • True
  • False

Explanation

Question 47 of 60

1

What is newton's 3rd law?

Select one of the following:

  • Forces acting on an object come in pairs

  • Force is the same as gravity

Explanation

Question 48 of 60

1

What is electricity?

Select one of the following:

  • The movement of charged particles, generally electrons.

  • movement of acceleration.

Explanation

Question 49 of 60

1

Fill the blank space to complete the text.

is the rate of flow of charge.

Explanation

Question 50 of 60

1

Fill the blank space to complete the text.

Voltage is the per charge.

Explanation

Question 51 of 60

1

Fill the blank space to complete the text.

Resistance is a measure of how hard it is for to flow.

Explanation

Question 52 of 60

1

A conductor allows energy to flow through it as it has many free electrons.

Select one of the following:

  • True
  • False

Explanation

Question 53 of 60

1

What does an ammeter do?

Select one of the following:

  • Measures the current in a series circuit

  • Measures the current in a parallel circuit

Explanation

Question 54 of 60

1

The current in a series circuit is the same all around the circuit.

Select one of the following:

  • True
  • False

Explanation

Question 55 of 60

1

The longer the wire, the lower the resistance.

Select one of the following:

  • True
  • False

Explanation

Question 56 of 60

1

power = current * voltage

Select one of the following:

  • True
  • False

Explanation

Question 57 of 60

1

The diode allows current to flow in 1 direction.

Select one of the following:

  • True
  • False

Explanation

Question 58 of 60

1

Fill the blank space to complete the text.

A motor converts into kinetic energy.

Explanation

Question 59 of 60

1

The thermistor changes resistance with water.

Select one of the following:

  • True
  • False

Explanation

Question 60 of 60

1

Fill the blank space to complete the text.

The buzzer converts electrical energy into energy.

Explanation

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