Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
Inventions
0
%
0
0
0
Back
Restart
What is this? Why is it useful?
Lightbulb. We use it to see things when it's dark and we can use it anytime.
Oops!
Okay!
What is this? Why is it useful?
Mobile phone. We use it to make calls, send messages, play games...
Oops!
Okay!
What is this? Why is it useful?
Solar Power. It is renewable enerygy from the Sun. It helps us to reduce the cost of electricity.
Oops!
Okay!
What is this? Why is it useful?
A bike helmet. It helps to protect from any injuries.
Oops!
Okay!
What is this? Why is it useful?
Heater. We use it during winter to keep ourselves warm.
Oops!
Okay!
What is this? Why is it useful?
Hair Dryer. We use it to dry our hair.
Oops!
Okay!
What is this? Why is it useful?
Vacuum Cleaner. We use it to clean the floor/home.
Oops!
Okay!
What is this? Why is it useful?
Oven. It is useful to cook food and heat up cold food.
Oops!
Okay!
What is this? Why is it useful?
Internet. We use it everyday to look for information.
Oops!
Okay!
What is this? Why is it useful?
Calculator. We use it to calculate.
Oops!
Okay!
What is this? Why is it useful?
Clock. It helps us to tell the time.
Oops!
Okay!
What is this? Why is it useful?
Recycle Bins. It helps us to reduce waste and protect our Earth.
Oops!
Okay!
What is this? Why is it useful?
Electric Cars. It pollutes the air less and also reduces the use of fossil fuels.
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies