Communication Satellites Quiz

What do communication satellites do?

• Help plants grow

• Make food in space

• Send and receive signals

• Clean up space junk

What is an uplink?

• A signal from the satellite to Earth

• A signal from Earth to the satellite

• A signal from one phone to another

• A phone number

What is a downlink?

• A space elevator

• A signal going underground

• A signal sent from the satellite back to Earth

• A type of phone

What are radio waves used for in satellites?

• Sending music to phones

• Sending information to and from satellites

• Controlling weather

• Charging batteries

Which of these can be sent using radio waves and satellites?

• Phone calls

• Internet data

• Videos

• All of the above

What do satellites do to the signals before sending them back to Earth?

• Erase them

• Make them louder

• Make them stronger

• Make them longer

What is binary code made of?

• Letters and numbers

• Dots and dashes

• Zeros and ones

• Pictures and videos

What does binary code help computers and phones do?

• Clean viruses

• Send information

• Make phone calls only

• Turn off

How does binary code help send photos or videos?

• By drawing them

• By turning them into zeros and ones

• By printing them

• By mailing them

Why are satellites helpful for communication in remote places?

• They fly close to people

• They carry people to those places

• They can send signals where phones cannot reach

• They make new apps