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1. In what year was electricity invented?
A
March 3, 2016
B
October 22, 1879
C
May 7, 1854
2. Which of these objects is a light bulb?
A
B
C
3. What is a spacecraft for?
A
To run faster
B
to fly in space
C
To navigate the space safely
4. What is a battery for?
A
to fill you with energy
B
to give energy to an object
C
to shine
5. which object of these is a photography?
A
B
C
6. what shape is the wheel?
A
square
B
rectangular
C
circular
7. What is a steam engine made of?
A
What is a steam engine made of?
B
by mechanisms
C
with fire
8. In what year was the radio released?
A
in 1904
B
in 1862
C
in 1906
9. what is an aeroplane?
A
a fart
B
A meal
C
a machine
10. Which of these objects is an x-ray machine?
A
B
C
11. What is the vaccination for?
A
to protect us
B
to annoy
C
to make us happy
12. which of these objects is an antibiotic
A
B
C