Energy Review

A student was practicing guitar for the school talent show. What must happen for you to hear the music the student is playing on her guitar?

• The strings must stretch and travel in a straight line.

• The strings must vibrate, and the sound must pass through empty space.

• The strings must vibrate, and the sound must travel in waves.

• The strings must expand and go to your ears.

All of the following are examples demonstrating mechanical energy except -

• a fire roasting marshmallows

• a fan blowing out air

• a girl kicking a ball across the yard

• a boy writing with a pen

The blades of the fan are moving to move the car forward. Which of the following uses the same type of energy that was used to move the car forward?

• a battery lights a bulb

• a horn makes a loud noise

• a child rides a bike to school

• a star shines bright at night

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

A student placed his marble game above a stereo speaker. When he turned the speaker on, the marbles shook and some fell to the floor. Which of the following statements best explains the motion of the marbles?

• magnetic energy attracted the marbles

• sound waves cause the marbles to vibrate

• electricity pushed the marbles

• heat caused the marbles to move

Tags

NGSS.MS-PS3-5

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A group of students set up the electrical circuit shown. Why is Bulb 2 not lighting up?

• The switch is open and prevents the circuit from working.

• The battery is dead and does not provide any electrical energy.

• Bulb 2 is burnt out, so it isn't working.

• Bulb 2 is not connected correctly to the circuit.

A group of fifth graders built a complete circuit to create a noise with a buzzer. After building the circuit, the buzzer does not buzz. Why doesn't the buzzer work in their circuit?

• The students connected the wires incorrectly.

• The students connected the buzzer incorrectly.

• The students forgot to close the switch to complete the circuit.

• The students need more batteries to make their circuit complete.

Tags

NGSS.4-PS3-2

NGSS.3-PS2-3

A student uses a heat lamp in a terrarium to create a warm environment for her pet lizard. What types of energy are present when the heat lamp is on?

• light, sound, mechanical

• electrical, light, thermal

• sound, thermal, electrical

• thermal, light, sound

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Three different objects that produce the same source of energy are shown. What is the main energy these objects produce?

• mechanical energy

• electrical energy

• thermal energy

• sound energy

Tags

NGSS.MS-PS3-3

NGSS.MS-PS1-4

A student uses a hot plate to boil water in the science lab. Which of these objects uses the same source of energy as the hot plate?

• a lamp using light energy

• a phone using sound energy

• a teapot using thermal energy

• a guitar using mechanical energy

All the light bulbs in this circuit are lit. What change would cause all the bulbs to go out?

• Removing Wire 1

• Removing Wires 2 and 4

• Removing Wires 2 and 5

• Removing Wires 3 and 4

Tags

NGSS.MS-PS2-3