Grade 4History
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Inventions Practice 1

Explore • Remember • Understand • Have Fun!
1A microscope makes tiny objects look ___.
2The airplane was developed by the Wright ___.
3The steam engine powered early ___.
4The printing press made books easier to ___.
5The wheel helped improve ___.
6The transistor helped create modern ___.
7The telephone is associated with Alexander Graham ___.
8A telescope helps us observe ___.
9The printing press was developed by Johannes ___.
10The internet connects computers around the ___.
11The printing press was developed by Johannes ___.
12A camera records ___.
13The refrigerator helps keep food ___.
14The light bulb is associated with Thomas ___.
15The telephone changed long-distance ___.
16The refrigerator helps keep food ___.
17A camera records ___.
18The wheel helped improve ___.
19The steam engine helped drive the Industrial ___.
20The compass helped sailors with ___.
Bonus!   Try these too.
A telescope helps us observe ___.
The airplane was developed by the Wright ___.
The steam engine helped drive the Industrial ___.
The printing press was developed by Johannes ___.
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