Engineering Design: Rube Goldberg Machine-Unit 2 Week 12

Sound is an efficient way to send information.

• False

• True

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How does this device produce energy?

• Converts chemical energy into nuclear energy

• Converts the energy of motion into electricity

• Converts nuclear energy into electricity

• Converts solar energy into chemical energy

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Which form of energy should be used to successfully communicate with a colony on a distant planet?

• electricity

• radio waves

• sound

• x-rays

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What might be a reason wireless technology was created?

• Electricity can travel further through the air.

• Hackers could easily steal personal information.

• Too many wires could overheat and be dangerous.

• Devices were not powerful enough.

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_____ is lost when electricity travels over long distances.

• Light

• Sound

• Information

• Heat

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Tomas wants to install a Bluetooth speaker in his backyard. This will let him listen to music while playing or working outside. What is one question he should ask before placing the speaker?

Do I have a _____ converter?

• wireless

• electrical

• sound

• radio wave

Tomas wants to install a Bluetooth speaker in his backyard. This will let him listen to music while playing or working outside. What is one question he should ask before placing the speaker?

Do I have _____?

• electricty

• speakers

• wires

• Bluetooth

Rob and Tyrone built a device to move a toy car. It is started by shooting a rubber band from their fingers. The rubber band is often not powerful enough to start the device. What is one way they could improve the results?

Build a _____ to shoot the rubber band so it is always at the same strength.

• ramp

• slope

• device

• car

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Rob and Tyrone built a device to move a toy car. It is started by shooting a rubber band from their fingers. The rubber band is often not powerful enough to start the device. What is one way they could improve the results?

Create a different way to _____ the machine.

• start

• end

• open

• close

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Rob and Tyrone built a device to move a toy car. It is started by shooting a rubber band from their fingers. The rubber band is often not powerful enough to start the device. What is one way they could improve the results?

Use a _____ rubber band so it can be pulled back further and have more energy.

• smaller

• tighter

• thicker

• larger

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