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- 1. Multiple Choice
Light travels in straight lines.
True
False
- 2. Multiple Choice
Is this window transparent or translucent?
Translucent
Transparent
- 3. Multiple Choice
Will heat build up in car when the sun is shining on it?
Yes
No
Sometimes
- 4. Multiple Choice
What is the order of how a car gets hot?
4, 2, 1, 3
3, 4, 2, 1
- 5. Multiple Choice
A greenhouse will absorb heat and the plants will grow well.
True
False
- 6. Multiple Choice
In this picture is the light refracting or reflecting?
Refracting
Reflecting
- 7. Multiple Choice
What is the lens doing in this picture?
Refracting the light so it gathers in the eye
Reflecting the light so it gathers in the eye
- 8. Multiple Choice
Which of these would reflect light the LEAST?
a glass of water
a block of ice
a window
- 9. Multiple Choice
Distort is to _____________.
change how something looks and becomes unclear or different
change how something looks and becomes clear and crisp
- 10. Multiple Choice
Which picture is the correct interpretation of how a movie projector works?
One on the left
One on the right
- 11. Multiple Choice
If a film is unclear, what can you do to make it clear?
Focus the film
Reflect the light
Refract the light
- 12. Multiple Choice
A mirror will __________ light which then travels in a new direction.
reflect
refract
distort
- 13. Multiple Choice
The ___________ is what you will see in the mirror.
reflection
refraction
distortion
- 14. Multiple Choice
Which item will reflect more light?
A pool
A grassy field
A wooden spoon
- 15. Multiple Choice
How will a curved mirror reflect light?
In different directions
In only one direction
In only an upward direction
- 16. Multiple Choice
Which is a concave mirror?
A
B
- 17. Multiple Choice
Which mirror will make you look bigger?
A
B
- 18. Multiple Choice
Lightning is a giant spark of _____ when electrons jump from one ____ to another all at once.
energy, atom
electricity, atom
- 19. Multiple Choice
An atom can have a positive or a negative charge. If an atom has a negative charge it means _____________ .
that there are more electrons than protons
that there are more protons than electrons
- 20. Multiple Choice
What kind of electricity gives you a shock if you touch a doorknob?
static
electrical
mechanical
- 21. Multiple Choice
An atom is made up of ___________ and __________.
protons, electrons
protons, neutrons
electrons, neutrons
- 22. Multiple Choice
Electricity is the flow of electrons. What does a conductor do with the electrons?
It allows the electrons to flow easily
It does not allow the electrons to flow easily
- 23. Multiple Choice
An example of an insulator is ________.
copper
rubber
iron
- 24. Multiple Choice
A cord of a lamp that has some rubber missing is dangerous?
True
False
- 25. Multiple Choice
What is a circuit?
A path that electrons flow along
A path that protons flow along
- 26. Multiple Choice
What can a switch do?
It can complete or break a circuit
It can only complete a circuit
It can only break a circuit
- 27. Multiple Choice
What does an incandescent light bulb have so that it can light up?
A metal filament
A gas
An iron base
- 28. Multiple Choice
How does a fluorescent light bulb light up?
It has a gas in it
It has a metal filament
- 29. Multiple Choice
What does the pink rod in the battery do to make the battery work?
The rod moves electrons through the battery
The rod moves protons through the battery
- 30. Multiple Choice
In a torch , which way will the electrons flow?
From negative to positive terminal
From positive to negative terminal
- 31. Multiple Choice
Are you able to recharge all batteries?
Yes
No
- 32. Multiple Choice
What does rechargeable mean?
To put power back into the battery from an electrical outlet in the home
To remove power from the battery from and electrical outlet in the home
- 33. Multiple Choice
What are the steps to have a lamp light up?
3, 5, 4, 2, 1
1, 3, 2, 4, 5
- 34. Multiple Choice
Is this item opaque or transparent or translucent?
Opaque
Transparent
Translucent
- 35. Multiple Choice
Is this an example of a transparent OR translucent item?
Transparent
Translucent
- 36. Multiple Choice
Will light be absorbed OR reflected by this object?
Absorbed
Reflected
- 37. Multiple Choice
What is the source for this circuit?
Battery
Lightbulb
Wires
- 38. Multiple Choice
Electricity is the flow of what?
Electrons
Protons
Neutrons
- 39. Multiple Choice
What does this picture prove?
Lightning can happen between clouds
Lightning is a powerful energy
- 40. Multiple Choice
What must be connected in order for electrons to flow through a battery?
The positive terminal connected to the negative terminal in a circuit
The switch turned on so the electrons can flow
The rod inside the battery is charged
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