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
4th Grade activities
0
%
0
0
0
Back
Restart
My sister always chooses a funny ______________.
avatar
Oops!
Okay!
Thomas Edison is the man ______ invented the light bulb.
who
Oops!
Okay!
Oops!
Okay!
A cell phone is a phone ________ lets you take photos.
which
Oops!
Okay!
My sister is very _________________. She has many ideas.
creative
Oops!
Okay!
What is it?
A problem
Oops!
Okay!
What does this represent?
Invention
Oops!
Okay!
Inventors use creativity to find _________________ to problems
solutions
Oops!
Okay!
what does a cellphone need to work?
battery
Oops!
Okay!
What is the opposite of succeed?
fail
Oops!
Okay!
What do you need to use a light bulb?
electricity
Oops!
Okay!
The more my hands rub together, ___________________ friction they create.
friction
Oops!
Okay!
What is it?
A wheel
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies