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6ºEP_Heat, light and electricity_Extra unit

Total questions: 93

Worksheet time: 1hrs 10mins

Name
Class
Date
1.

What is electricity?

a)

Gas

b)

Liquid

c)

Energy

d)

Material

2.

What type of component is a cell?

a)

Generator

b)

Conductor

c)

Load device

d)

Control device

3.

Particles with the same charge...

a)

they do nothing

b)

they tend to pull closer

c)

they tend to disappear

d)

they tend to pull apart

4.

Electrical energy is...

a)

easy to obtain

b)

easy to transport over long distances

c)

easy to transform into other ttypes of energy

d)

all choices are correct

5.

What particles are found in the nucleus of an atom?

a)

Neutrons

b)

Protons and electrons

c)

Protons and neutrons

d)

Neutrons and electrons

6.

A buzzer transforms electrical energy into....

a)

sound

b)

movement

c)

heat

d)

light

7.

If a component provides electrical energy to the rest of the circuit is called

a)

conductor

b)

load device

c)

control device

d)

power source

8.

The directional movement of electrons between atoms is called ...

a)

Electric pulse

b)

Electric current

c)

Electric energy

d)

Electric flow

9.

What's wrong with this circuit?

a)

The battery has no charge

b)

The bell won't turn on because it's in an incomplete pathway

c)

The lightbulb won't turn on because it's in an incomplete pathway

d)

There's no switch

10.

How would you call this circuit?

a)

Closed and Complete

b)

Closed and Incomplete.

c)

Opened and Complete.

d)

Opened and Incomplete

11.

Tools and machines make our lives....

a)

hard

b)

difficult

c)

easier

d)

funny

12.

A trumpet produces ...

a)

sound

b)

heat

13.

The Sun produces...

a)

heat

b)

light

c)

sound

14.

Heat, light and sound are forms of ...

a)

machines

b)

energy

c)

projects

15.

Sun, wind and water provides us ...

a)

renewable energy

b)

non - renewable energy

16.

What is the correct behaviour?

a)
b)
c)
17.
What is the kinetic energy?
a)
This is the energy in the form of potential movement
b)
This is the energy in the form of movement
18.
Electricity travels to homes and factories through...
a)
Air
b)
Metal roads
c)
Metal cables
d)
By car
19.
The Sun is a natural source of light energy.
a)
True
b)
False
20.
This is energy in the form of heat:
a)
Metal energy
b)
Light energy
c)
Thermal energy
d)
Heatibiri energy
21.
When an object releases thermal energy, it cools down.¡
a)
True
b)
False
22.

To get and transform solar energy we use...

a)

Turbines

b)

Solar panels

c)

Windmill (molino de viento)

d)

All the answers are right

23.

Which of these energy sources is not renewable?

a)

Water

b)

Sunlight

c)

Coal

d)

Wind

24.

Current is the amount of electrons that flow along the circuit.

a)

true

b)

false

25.

Appliances produce electricity?

a)

true

b)

false

26.

Energy sources can be renewable and no-renewable

a)

True

b)

False

27.

What are the major sources of renewable energy?

a)

Coal, Wind, Water

b)

Air, Water, Wind

c)

Sunlight, Wind, Water

28.

Potential and Kinetic Energy make ___________ .

a)

Thermal Energy

b)

Chemical Energy

c)

Mechanical Energy

29.

Chemical reactions that happen inside batteries is an example of

a)

thermal energy

b)

potential energy

c)

kinetic energy

d)

chemical energy

30.

Our bodies chainging food into energy is an example of

a)

chemical energy

b)

light energy

c)

electrical energy

d)

kinetic energy

31.

This form of energy can be natural or artificial

a)

light energy

b)

sound energy

c)

electrical energy

32.

we can convert this form of energy into light , heat, sound and movement.

a)

mechanical energy

b)

natural energy

c)

electical energy

d)

Chemical energy

33.

thermal energy flows from warmer objects to

a)

hotter objects

b)

cooler objects

34.

what energy does a radio produce

a)

chemical energy

b)

mechanical energy

c)

sound energy

d)

kenetic energy

35.

It can produce a change of state in the matter.

a)

Enería eléctrica.

b)

Energía luminosa.

c)

Energía sonora.

d)

Energía mecánica.

e)

Energía térmica.

36.

Material que transmite energía.

a)

Un conductor.

b)

El circuito.

c)

Un aislante.

37.

A device that stores electrical energy.

a)

Insulator.

b)

Electrical current.

c)

Battery.

38.

What type of circuit shows this picture?

a)

Series.

b)

Paralel.

39.

What type of circuit shows this picture?

a)

Series.

b)

Paralel.

40.

What type of circuit shows this picture?

a)

Series.

b)

Paralel.

41.

What type of circuit shows this picture?

a)

Series.

b)

Paralel.

42.

It is an example of ...

a)

absortion.

b)

reflexion.

c)

refraction.

43.

It is an example of ...

a)

absorption.

b)

refraction.

c)

reflexion.

44.

It is an example of ...

a)

refraction.

b)

absorption.

c)

reflexion.

45.

It is an example of ...

a)

reflexion.

b)

refraction.

46.

It is an example of ...

a)

refraction.

b)

reflexion.

47.

What does a prism do to white light?

a)

Dispersion: different colors that make up white light become separated.

b)

Reflexion: light changes it's direction

c)

Absorption: light is absorbed by the prism and converted into energy.

48.

What does a lens do to light?

a)

With convex lenses rays of light converge (they are brought closer together)

b)

With convex lenses rays of light diverge (parallel light rays curve outward or diverge)

c)

With concave lenses rays of light diverge (parallel light rays curve outward or diverge)

d)

With concave lenses rays of light converge (they are brought closer together)

49.
What is Sound Energy?
a)
movement and transfer of electrons
b)
vibrating matter carried in waves
50.
What is Transformation of Energy?
a)
energy that holds the nuclear of an atom together
b)
changing from one form of energy to another
51.
Electricity is created by moving:
a)
protons
b)
electrons
52.
What is Chemical Energy?
a)
energy stored in bonds of atoms molecules
b)
changing from one form of energy to another
53.
With a battery, a copper wire, and a compass, you can convert the ________  energy of the battery into electrical energy and then into _______________.
a)
chemical, motion
b)
electrical, motion
54.
What is endothermic?
a)
Releasing heat; usually appears hot
b)
Taking in heat; usually appears cold
55.
What is exothermic?
a)
Taking in heat; usually appears cold
b)
Releasing heat; usually appears hot
56.

This is...

a)

Reflection

b)

Refraction

c)

Absorption

57.

Select the TWO characteristics of light:

a)

It moves very quickly in all directions

b)

It travels in a straight line.

c)

It moves very slowly and only in one direction.

58.

This is...

a)

Reflection

b)

Refraction

59.

This is...

a)

Transparent

b)

Translucent

c)

Opaque

60.

This is...

a)

Transparent

b)

Translucent

c)

Opaque

61.

This is...

a)

Transparent

b)

Translucent

c)

Opaque

62.

When a material lets light pass through, we say it is...

a)

Impermeable

b)

Opaque

c)

Transparent

d)

Conductor

63.

Which of these things are matter

a)

Oxygen

b)

Oil

c)

Love

d)

Happyness

64.

Biomass is...

a)

renewable sources of energy

b)

non renewable sources of energy

65.

Fossil fuels are...

a)

uranium

b)

wind, water and Sun

c)

petrol, coal and gas

66.

The next picture is a source of energy...

a)

Renewable energy source

b)

Non-renewable energy source

67.

HEAT. The next picture is...

a)

A change of temperature

b)

A change of volume

c)

A change of state

68.

HEAT. The next picture is...

a)

A change of temperature

b)

A change of volume

c)

A change of state

69.

HEAT. When we say that something is hot or cold, what we really mean is that ...

a)

Its temperature is high or low

b)

Its temperature is big or small

c)

Its contraction or expansion

70.

The next picture is a source of energy...

a)

Renewable energy source

b)

Non-renewable energy source

71.

The next picture is a source of energy...

a)

Renewable energy source

b)

Non-renewable energy source

72.

HEAT. The next picture is...

a)

A change of temperature

b)

A change of volume

c)

A change of state

73.

HEAT. What type of change is happening with this ice-cream?

a)

change of volume

b)

change of state

c)

contaction and expansion

74.

This is an example of ...

a)

reflection

b)

refraction

75.

This is an example of...

a)

Reflection

b)

Refraction

76.

Refraction is...

a)

light hits and object and changes direction

b)

light changes direction and passes from one mediun to antother

77.

LIGHT. The glass allows light to pass through. It is...

a)

Transparent

b)

Opaque

c)

Translucent

78.

LIGHT. Plastic allows light to pass through but it is diverted. It is...

a)

Transparent

b)

Opaque

c)

Translucent

79.

Reflection is

a)

the light hits an object and changes of direction

b)

the light changes of direction when it passes from one medium to another

80.

When the light can not pass throught an object

a)

transparent

b)

translucent

c)

opaque

81.

Identify the type of energy...

a)

sound

b)

thermal

c)

mechanical

d)

electrical

82.

Identify the type of energy...

a)

nuclear

b)

electrical

c)

sound

d)

thermal

83.

Identify the type of energy...

a)

electrical

b)

sound

c)

chemical

d)

mechanical

84.

Identify the type of energy

a)

sound

b)

thermal

c)

electrical

d)

mechanical

85.

When materials have the same electrical charge they...

a)

repel

b)

attract

86.

Materials with different electrical charges ...

a)

repel

b)

attract

87.

In an electrical circuit , the switch

a)

supplies the electrical current.

b)

transform electricity into light

c)

opens and closes the circuit

88.

This is the..... in an electrical circuit

a)

power source

b)

wire

c)

electrical device

d)

switch

89.

In an electrical circuit the power source...

a)

opens and closes the circuit

b)

supplies electrical current

c)

conducts electrcity

90.

This is the.... in an electrical circuit

a)

wire

b)

battery

c)

bulb

d)

swich

91.

This electrical circuit is ....

a)

opened

b)

closed

92.

This electrical circuit is...

a)

opened

b)

closed

93.

What does a lens do to light?

a)

They work by reflection: the light will reflect at the same angle as it hit the surface.

b)

They work by absorption: They absorb light.

c)

They work by refraction: it bends light rays as they pass through it so they change direction.

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