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15
×
Five thousand years ago people had a problem. They couldn't move things! Then someone found the solution - the ___________.
wheel
Oops!
Check
Okay!
Check
×
seesaw
Swap points!
Oops!
×
seesaw
Swap points!
Okay!
×
shark
Other team loses 15 points!
Okay!
×
thief
Give points!
5
10
15
20
25
15
×
In 1839 Charles Goodyear had an _________. He invented the modern rubber.
idea
Oops!
Check
Okay!
Check
15
×
Finally, they __________ in 1903.
succeeded
Oops!
Check
Okay!
Check
×
seesaw
Swap points!
Oops!
×
gift
Win 20 points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
banana
Go to last place!
Oops!
15
×
What is this?
a train
Oops!
Check
Okay!
Check
15
×
What is this?
A mobile phone
Oops!
Check
Okay!
Check
15
×
What is this?
A wheel
Oops!
Check
Okay!
Check
15
×
What is this?
A battery
Oops!
Check
Okay!
Check
15
×
Five thousand years ago, people had a _____________. They couldn't move things.
problem
Oops!
Check
Okay!
Check
15
×
The Wright brothers tried to fly many times, but they ___________-
failed
Oops!
Check
Okay!
Check
15
×
Imagine your life without ______________. Before ______________, we didn't have useful things such as batteries, computers and mobile phones.
electricity
Oops!
Check
Okay!
Check
15
×
What is this?
A rocket
Oops!
Check
Okay!
Check
15
×
What is this?
An aeroplane.
Oops!
Check
Okay!
Check
15
×
______________ are everywhere. Look around you, what ______________ can you see?
Inventions
Oops!
Check
Okay!
Check
×
thief
Give points!
5
10
15
20
25
×
gift
Win 5 points!
Okay!
×
shark
Other team loses 15 points!
Okay!
×
lifesaver
Give 25 points!
Oops!
×
Restart
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