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WorksheetsSTAAR Power 2
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
1. The picture below shows a fan.
If you push the "ON" switch, the blades on the fan will begin to turn. This happens because pushing the switch _______
If you push the "ON" switch, the blades on the fan will begin to turn. This happens because pushing the switch _______
a)
creates a closed electrical circuit.
b)
increases the speed of electricity.
c)
pushes the blades to make them turn.
d)
creates an insulator to move electricity.
2.
2. Which of the following explains what is happening in the picture?
a)
The light bulb creates its own electricity.
b)
The light bulb transfers electricity to the battery.
c)
The switch is open causing the light to turn on.
d)
The wires conduct electricity from the battery to and from the light bulb.
3.
3. Which of the following is necessary for electricity to flow through a circuit?
a)
All switches must be open.
b)
All wires must be insulated with plastic.
c)
The electricity's path must be unbroken.
d)
The circuit must include at least 2 batteries.
4.
4. What is the source of energy in the water cycle?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Sun
5.
5. Which of the following would probably reflect the most light?
a)
coffee cup
b)
notebook paper
c)
polished metal spoon
d)
wooden block
6.
6. Eva placed a penny in a bowl of water. When she looked in the bowl, the penny appeared to be in a different location. What caused the penny to appear to change positions?
a)
reflection, which bounced the penny's light
b)
refraction, which bent the penny's light
c)
refraction, which bounced the penny's light
d)
transparency, which allowed the light to pass through
7.
7. Which of the following is necessary for electricity to flow through a circuit?
a)
All switches must be open.
b)
All wires must be insulated with plastic.
c)
The circuit must include at least 2 batteries.
d)
The electricity's path must be unbroken.
8.
8. What characteristics of light lets Terrance see people in his rear view mirror?
a)
refraction
b)
reflection
c)
translucence
d)
rotation
9.
9. Alex flips a switch on the classroom wall, and the light comes on. The light comes on because flipping the switch ______.
a)
removes the circuit
b)
adds power to a circuit
c)
creates a closed circuit
d)
opens the circuit
10.
10. The picture shows a shadow cast by a stick in the morning. How was the shadow formed?
a)
The stick bent the sunlight to the side.
b)
The sunlight was cast on a dark object.
c)
The stick blocked the path of the sunlight.
d)
The sunlight changed color when it hit the stick.
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