Chip Check Challenge: Semiconductor or Not?

Does a smartphone have semiconductors?

• True

• False

• Not sure

• None of the above

Which of the following statements is true about smartphones and semiconductors?

• Smartphones do not need semiconductors.

• Smartphones need semiconductors to help the phone process information, store data, run apps, play videos, and connect to the internet.

• Smartphones need semiconductors to make phone calls only.

Does a refrigerator have a semiconductor?

• True

• False

• Not sure

• None of the above

Which of the following statements is true about semiconductors and refrigerators?

• Fridges do not need semiconductors because they use ice to cool food.

• Semiconductors help fridges run efficiently, using less energy to keep everything cool, and to control and manage how cold the fridge stays.

Does a traditional thermometer use semiconductors?

• True

• Sometimes

• False, only in digital thermometers

Which of the following statements is true about traditional thermometers and semiconductors?

• Traditional thermometers don't need semiconductors because they measure temperature using the way liquids expand and contract with heat.

• Traditional thermometers need semiconductors to show what the temperature is.

Does an LED lightbulb use semiconductors?

• True

• False

Which of the following statements is true about LED lightbulbs and semiconductors?

• LED lightbulbs use heat to create light.

• In an LED, the semiconductor lets electricity pass through it and this process creates light.

Does a compass use semiconductors?

• True

• False

Which of the following statements is true about a compass and semiconductors?

• Compasses use semiconductors to find a point towards North.

• A compass does not use semiconductors; instead, they use the Earth's natural magnetic field to work.