WorksheetsUnit 3 - Light and Energy 4th grade
Total questions: 24
Worksheet time: 24mins
Light is a form of...
fire
energy
power
superpower
Light travels...
Fast
Slow
Light travels...
in one direction
in all directions
Light travels...
in a straight line
in curves
Which object is transparent?
The car
The window
The sunglasses
Which object is opaque?
The car
The window
The sunglasses
Which object is translucent?
The car
The window
The sunglasses
The mirror...
Refracts light
Reflects light
What happens in this case?
Refraction of light
Reflexion of light
Which colour is reflected in the book?
Indigo
Red
Blue
Green
We take energy from...
nature
people
Renewable energy means...
It WILL finish and it is LIMITED
It WON'T finish and it is UNLIMITED
Non-renewable energy means...
It WILL finish and it is LIMITED
It WON'T finish and it is UNLIMITED
Sunlight is...
renewable
non-renewable
Wind is...
renewable
non-renewable
Petroleum is...
renewable
non-renewable
Coal is...
renewable
non-renewable
Hydropower is...
renewable
non-renewable
Natural gas is...
renewable
non-renewable
Windmils transform...
Wind energy to electrical energy
Electrical energy to mechanical energy
Which energy transformation takes place in solar panels?
Light energy to mechanical energy
Light energy to electrical energy
In a nuclear power plant the energy transformation is...
Mechanical energy to electrical energy
Nuclear energy to electrical energy
Which energy transformation takes place in a thermal power plant?
Thermal energy to electrical energy
Nuclear energy to electrical energy
Wood burning power plants energy transformation is...
Thermal energy to electrical energy
Light energy to electrical energy
