Download Rutherford County Schools

Draft
Student Name: ______________________
Teacher:
______________________ Date: ___________
District:
Rutherford County Schools
Assessment:
06 Science Science Test 4
Description:
Electrical circuits
Form:
301
Draft
1. When a button is pushed on a battery-operated clock, the time display is illuminated. What process has
taken place?
A.
Pressure has been converted to light.
B.
Force has been converted to light.
C.
Closing an electric circuit has produced light.
D.
Opening an electric circuit has produced light.
2. Electric circuits provide energy for lightbulbs. Which of these prevents the flow of electrons?
A. a circuit that is closed
B.
a series circuit
C.
a circuit that is open
D. a parallel circuit
3. Which of the following is least likely to allow electricity to flow?
A. aluminum
B.
copper
C.
plastic
D.
water
4. Francisco is learning about circuits in class and makes the simple circuit shown. His teacher asks him to explain the
role of each part of the circuit.
The primary role of the wire in the circuit is to
A. conduct electricity.
B.
provide energy.
C.
convert light.
D.
produce heat.
5. Mary used a thermometer to test the air temperature at four points near a lit bulb. She recorded her data in a table.
Which best explains why the air closest to the bulb was warmest?
A.
The bulb radiated heat.
B.
The bulb gave off light.
C.
The bulb was insulated.
D.
The bulb conducted electricity.
6. Unlike in the United States, what problem has urban growth caused in Mexico?
A. an increase in pollution
B.
not enough jobs for all the people
C.
not enough homes or apartments for all the people
D. a lack of basic needs such as electricity and running water in some homes
7. Nonrenewable energy sources, such as oil and natural gas, are formed from the remains of organisms buried beneath
the surface of Earth. What is one advantage of using natural gas instead of solar power to generate electricity?
A.
Natural gas is free to extract and use.
B.
Natural gas is safer than solar energy.
C.
Natural gas plants can convert gas to electricity.
D.
Natural gas plants can make power at night.
8. Students did some research on fluorescent light bulbs and incandescent light bulbs. The students compared the
efficiency of the light bulbs in transforming electrical energy into light. Their results are in the chart.
Light Bulb Comparison
Light Bulb Type
Efficiency
13-watt Fluorescent Light
Bulb
20%
60-watt Incandescent Light
Bulb
5%
Which is the best conclusion the students can make from the information in the chart?
A.
The fluorescent bulb will be brighter.
B.
The incandescent bulb will last longer.
C.
The fluorescent bulb will use more electricity.
D.
The incandescent bulb will lose more energy as heat.
9. A hydroelectric plant uses the power of falling water to turn turbines to create electricity to power homes, offices,
and schools.
Where is the potential energy to run the plant?
A.
1
B.
2
C.
3
D.
4
10. A school put a skylight in the roof of its library.
How will the skylight most likely affect the library?
A.
The library will be cooler.
B.
The library will be brighter.
C.
The library will have more space.
D.
The library will have a new source of electricity.
11. Abby turned on a lamp when she entered the family room.
Which diagram best shows how energy was transformed when she turned the lamp on?
A. Electricity ? Heat and Light
B.
Light ? Heat and Electricity
C.
Light ? Magnetic and Electricity
D. Electricity ? Light and Mechanical
12. Sarah poured water into a tea kettle. She placed the tea kettle on a burner of an electric stove and turned the stove on.
When the water began to boil, Sarah put some hot water into a cup with a tea bag. When was electricity converted
into heat?
A.
pouring water into the kettle
B.
placing the kettle on the stove
C.
putting hot water into the cup
D.
boiling the water with the burner
13. A student touched a computer that had been operating for an hour. The computer felt warm because
A.
friction within the computer tuned mechanical energy into heat.
B.
the computer’s fan converted potential energy to kinetic energy.
C.
electricity running through the computer was partly transformed into heat.
D.
the computer used heat as a source of energy.
14. Which instruction is the best use of the scientific method to investigate static electricity?
A.
fill a balloon with air and hold it near a magnet
B.
rub one small balloon and one large balloon together
C.
fill one balloon with helium and one with air
D.
rub a balloon on a shirt and place it near a wall
15. How does flipping a switch turn on a light?
A.
It creates a spark.
B.
It breaks an electrical circuit.
C.
It generates electricity.
D.
It completes an electrical circuit.
16. A wire cable is wrapped around an iron bar, with a metal car a few inches away from it. When electricity is supplied
to the wire cable, what force will act on the metal car next to it?
A.
friction
B.
gravity
C.
electrical
D. magnetic
17. What is the function of the wire in the diagram below?
A.
storing an electrical charge
B.
reversing the electrical charge every few seconds
C.
absorbing the flow of electricity from the surrounding air
D.
providing a way for electricity to flow through the circuit
18. What does electricity do so the appliance shown below can release heat?
A.
reacts with oxygen to produce flames
B.
transforms into chemical energy
C.
flows through a circuit inside the heater
D. creates a magnetic field around the heater
19. In order for the object shown to create a magnetic field, what must flow through the wire coil?
A.
heat
B.
metal
C.
electricity
D. light
20. When a resistor is added to a circuit, the electricity
A.
stops moving.
B.
reverses direction.
C.
slows down and creates heat.
D. moves faster and increases the current.
21. Which is an example of electricity flowing in a circuit to produce sound?
A.
pushing a button to make a doorbell ring
B.
stepping on a mat to make a door open
C.
flipping a switch to turn on a light
D.
sliding a lever to turn on an electric blanket
22. In order for electricity from a battery to power a light bulb, the wire has to provide the electricity a path to do what?
A.
flow through the entire closed circuit
B.
charge the air molecules near the circuit
C.
jump from one battery terminal to the other
D. change the chemical properties of the wire
23. Guillermo studied electricity as it traveled through circuits. He planned to light two bulbs at the same time using only
one battery. Which diagram shows what he should build?
A.
B.
C.
24. A student builds a simple electric circuit.
The circuit is designed to produce which type of energy when the switch is closed?
A.
thermal and light
B.
sound and thermal
C.
light and magnetism
D. magnetism and sound
25. A switch that can open or close an electric circuit can be used to
A. increase the amount of current.
B.
reverse the current’s direction.
C.
stop the current.
D. accelerate the current.
26. Refer to the electric circuit to answer the question that follows.
Light bulb 2 burned out in this circuit. If voltage remains constant, what happens to the remaining light
bulbs?
A.
They burn out.
B.
They get brighter.
C.
They get dimmer.
D.
They remain the same.
27. Mr. Jackson’s class was studying simple circuits. The class put the parts of the circuit together as shown in the
diagram.
Which best describes how the wire affects the circuit?
A.
It provides heat to the bulb.
B.
It conducts electricity to the bulb.
C.
It supplies the energy for the circuit.
D.
It can stop current from flowing through the circuit.
28. When the switch in a simple series circuit is closed, what happens to the light bulb that the electricity is flowing to?
A.
the light cracks
B.
the light goes off
C.
the light burns out
D.
the light comes on
29. Which of these are both supplied to Earth by the Sun?
A. coal and oil
B.
heat and light
C.
friction and electricity
D. gravity and magnetism