WorksheetsScience 5th grade: LIGHT
Total questions: 15
Worksheet time: 15mins
1. What two different types of sources does light come from?
It can come from potential energy and kinetic energy
It can come from natural and artificial sources
It can come from crude oil and natural gas
1. Which of the following are examples of natural light sources?
The Sun
Lightning
A flashlight
A mobile phone
1. Which of the following are examples of artificial light sources?
Lightning
The sun
A flashlight
A ceiling lamp
1. What happens when we light up a candle?
The candle burns and reacts with oxygen in the air. This chemical reaction causes a flame that emits light.
The candle burns and reacts with carbon dioxide in the air. This chemical reaction causes a flame that emits light.
We require a charged battery, otherwise it will not work.
2. Which of the following are characteristics of light?
Speed
Colour
Direction
Flexibility
2. Does light travel fast? How fast does it travel?
Yes, it does. Light travels almost as fast as airplanes fly.
Yes, it does. Light travels at 300.000 km per second.
No, it does not. Light travels at 300 km per second.
No, it does not, light does not travel at all.
2. How many colours does white light have?
White light is composed of just the three primary colours (red, blue and green).
White light is not composed of any colour, that is why is white.
White light is composed of 7 colours like rainbows.
2. What happens when light travels? Does it always go on a straight line?
If while traveling, light hits something, it could be absorbed or reflected depending on the material it hits. For example, a mirror would reflect light whereas a black wall would absorb it.
If while traveling, light hits something, it will always be absorbed, no matter the material.
If while traveling, light hits something, it will always be reflected, no matter the material.
3. Can transparent materials let light pass through them?
No, transparent materials block the light.
Yes, they let light pass through them.
Yes, but light just partially passes through.
3. Which of the following are transparent materials.
A mirror.
A glass window.
A plastic bag.
Sunglasses.
3. Does a translucent material let all the light pass through it?
No, it does not. Translucent materials let some light pass through them, but part of it is reflected or absorbed.
Yes, it does. Translucent materials let all the light pass through them.
No, it does not. Translucent materials absorb all the light.
3. Which of the following can be considered translucent materials?
Tinted car window.
Sunglasses.
Mirror.
Glass window.
3. What is an opaque material?
A material that lets light pass through it is opaque.
A material that partially lets light pass through it is opaque.
An opaque material is a type of material that does not let light pass through it.
3. Which of the following can be considered opaque materials?
A piece of wood.
A mirror.
A book.
A glass window.
3. What color/s does a strawberry reflect?
Strawberries reflect the red color, that is why they look red.
Strawberries reflect all colors but not the red color, that is why they look red.
Strawberries reflect the yellow color, that is why they look yellow.
