Which of the following is an exmaple of a change of kinetic energy into gravitational potential energy?

a person parachuting out of a plane

a car racing around an oval track

When the temperature of matter increases the particles...

speed up and move farther apart

slow down and move closer together

slow down and move farther apart

A moving object will eventually come to a stop due to friction because...

All of the energy in the system was transformed into thermal energy

All of the energy in the system was destroyed

The system could not create enough energy to keep the object moving

In a real life situation, when a roller coaster is released from the top of a hill, halfway down the hill...

Some of the potential is converted to kinetic and a small amount is transformed into thermal energy

Exactly half of the energy is kinetic and half of the energy is potential

How do these waves compare?

wave 3 has a longer wavelength than wave 4

wave 2 has a higher frequency than wave 4

What is happening as the wave moves left to right

The wave is becoming a softer sound

The wave is becoming a lower pitch sound

The wave is becoming a higher pitch sound

The wave is becoming a louder sound

The difference between the two waves above is that

bottom is carrying more energy than top

bottom is carrying the same energy as top

the bottom sound is a lower pitch

What does the picture tell you about the light waves coming from these lightbulbs?

the wave from the bulb on the right has a higher amplitude

the wave from the bulb on the left has a higher amplitude

the wave from the bulb on the left has a higher intensity

the wave from the bulb on the right has a lower intensity

Choose the correct relationship for wavelength and frequency.

Higher Frequency=Shorter Wavelength

Higher Frequency=Longer Wavelength

Lower Frequency=Shorter Wavelength

Higher Frequency=Identical Wavelength

When the frequency of a wave increases, what happens to the wavelength?

The wavelength is not directly affected by the frequency of a wave.

More specific information is needed to form a conclusion about the wavelength.

semester 1 PHY SCI Review

Science

8th Grade

NGSS covered

Used 79+ times

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

When plants convert the sun's energy into food, which type of energy is it?

kinetic

chemical

thermal

radiant

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A battery converts what type of energy to another?

sound to kinetic

light to heat

mechanical to electrical

chemical to electrical

Tags

NGSS.HS-PS3-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Wind turbines and windmills convert what energy to another?

Kinetic to electric

Gravitational potential to electric

Mechanical to potential

Thermal to sound

Tags

NGSS.MS-PS3-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What machine changes electrical energy into light and sound energy?

battery

lightbulb

alarm clock

apple

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What machine changes chemical energy into heat, light and sound energy

blender

firecracker

lightbulb

apple

Tags

NGSS.MS-PS1-6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

At which point is potential energy greatest?

Tags

NGSS.MS-PS3-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Where is potential energy converting to kinetic energy

D-G

C-F

A-D

A-G

Tags

NGSS.MS-PS3-2

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semester 1 PHY SCI Review

When plants convert the sun's energy into food, which type of energy is it?

A battery converts what type of energy to another?

Wind turbines and windmills convert what energy to another?

What machine changes electrical energy into light and sound energy?

What machine changes chemical energy into heat, light and sound energy

At which point is potential energy greatest?

Where is potential energy converting to kinetic energy

Which of the following is an exmaple of a change of kinetic energy into gravitational potential energy?

When a pendulum swings, at which point is kinetic energy highest?

When a pendulum swings, at which point is potential energy at its greatest?

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