1.
makes small sounds louder
2.
an image recorded using light
3.
a simplified drawing to get across an idea
4.
same measures opposite one another
5.
a device that sends sounds a distance
6.
a device that measures steps
7.
a device used to see very small things
8.
a device used to see things very far away
10.
a text about someone's life
11.
a small piece of technology
13.
the outer layer of skin
15.
the study of the smallest parts of living things
