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- 1. Multiple Choice
Which one of these is NOT a source of light?
a firefly
a book
the sun
a torch
- 2. Multiple Choice
Which source of light is natural?
fireworks
light bulb
lightning
head lights
- 3. Multiple Choice
A shadow is created when...
an object blocks the light
an object lets light pass thru
an object is above light
- 4. Multiple Choice
What does the moon do?produces lightreflects the suns lightproduces heat - 5. Multiple Choice
Light travels in ___________ line
reflected
irregular
wavy
straight
- 6. Multiple Choice
In what way is the sun’s heat beneficial to humans?
Good for health
Provides warmth
Is source of energy for plant to make food
All of the above.
- 7. Multiple Choice
Look at the picture. How does light travel?
Light travels in a straight path.
Light travels in a zig zag path.
Light does not move.
Light travels in a wavy path.
- 8. Multiple Choice
What do you think is the best thing to do to avoid the harmful effects of the sun?
Hide from the sun.
Play only at nightime.
Stay inside the house.
Avoid too much exposure to the sun.
- 9. Multiple Choice
What might happen to us without the sun?
We will live in darkness.
We will feel cold.
We will die.
All of the above.
- 10. Multiple Choice
What are some problems that we can encounter if we stay under the sun for a long period of time?
I.sun burn II.skin cancer III.cataract IV.chickenpox
I only
I and III
IV only
I,II and III
- 11. Multiple Choice
Why is the heat of the sun important in the process of evaporation?
It allows water to turn to vapor.
It converts vapor to water.
It allows rain to fall.
It heats the air.
- 12. Multiple Choice
What is the role of the sun in the water cycle? Sun’s heat ____________.
creates a tidal wave
causes evaporation
produces more water
produces more water waves
- 13. Multiple Choice
In what way is the sun’s heat beneficial to humans?
Fishermen can dry and preserve their fishes.
Farmers can harvest and dry their crops.
Mother can dry her laundry.
All of the above.
- 14. Multiple Choice
ARTIFICIAL SOURCE OF LIGHT
NATURAL SOURCE OF LIGHT
- 15. Multiple Choice
ARTIFICIAL SOURCE OF HEAT
NATURAL SOURCE OF HEAT
- 16. Multiple Choice
ARTIFICIAL SOURCE OF HEAT
NATURAL SOURCE OF HEAT
- 17. Multiple ChoiceA metal spoon is placed in a pan of hot water. What will happen?Heat will move from the spoon to the water.Heat will move from the water to the spoon.The temperature of the water will increase over time.Nothing
- 18. Multiple ChoiceLight bounces when it isreflectedabsorbedrefracted
- 19. Multiple ChoiceIf an object allows most all light to pass through it then it is...transparentopaquetranslucentcold
- 20. Multiple Choice
What is the main source of heat and light energy?
sun
fire
moon
- 21. Multiple Choice
What is the energy that allows us to see things around us?
heat
light
light and heat
- 22. Multiple Choice
What is the energy that let us feel warm?
heat
light
light and heat
- 23. Multiple Choice
____________ sources of heat and light are made by humans.
man-made
natural made
appliances
- 24. Multiple Choice
Which is not a source of heat and light from nature?
candle
sun
lightning
- 25. Multiple Choice
In what way is the sun’s heat beneficial to humans?
Good for health
Provides warmth
Is source of energy for plant to make food
All of the above.
- Answer choicesTagsAnswer choicesTags