Unit 5: Using electrical circuits pg. 98-99 Flashcards
What is the problem of: “Street lighting makes the road easier for drivers to see at night”?
Many car accidents happen at night because people cannot see in the dark.
What is the solution of: “Many car accidents happen at night because people cannot see in the dark”?
Street lighting makes the road easier for drivers to see at night.
What is the problem of: “Fire alarms warn people of danger quicker than people can”?
Buildings get destroyed and people get injured because fires could not be noticed sooner.
What is the solution of: “Buildings get destroyed and people get injured because fires could not be noticed sooner”?
Fire alarms warn people of danger quicker than people can.
What is the problem of: “Electric gates can be opened without getting out of the car”?
Cars get stolen when drivers leave them to open their gate at home.
What is the solution of: “Cars get stolen when drivers leave them to open their gate at home”?
Electric gates can be opened without getting out of the car.
What is the problem of: “Traffic lights control traffic”?
Too many cars obstruct roads. This prevents emergency vehicles, such as ambulances and fire trucks, from getting to an emergency in time.
What is the solution of: “Too many cars obstruct roads. This prevents emergency vehicles, such as ambulances and fire trucks, from getting to an emergency in time”?
Traffic lights control traffic.
What is the problem of: “Fans cool down machines while they run”?
Machines such as computers get hot when they run. Sometimes they get so hot that their parts working or even melt.
What is the solution of: “Machines such as computers get hot when they run. Sometimes they get so hot that their parts working or even melt”?
Fans cool down machines while they run.
What is the problem of: “Heaters help to keep us warm during the winter”?
The winter months are very cold for many people in SA. Cold weather also makes people sick.
What is the solution of: “The winter months are very cold for many people in SA. Cold weather also makes people sick”?
Heaters help to keep us warm during the winter.
