to make something difficult to see, hear, or understand

a science tool used for making very small things look larger so that you can examine them carefully

the act of watching somebody or something carefully for a period of time, especially to learn something

covered in sharp points or prickles, such as a cactus or bush

using the hands to make something work

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unit 5-1

Unit 5-1

Term	Definition
vision	ability to see
obscure	to make something difficult to see, hear, or understand
microscope	a science tool used for making very small things look larger so that you can examine them carefully
observation	the act of watching somebody or something carefully for a period of time, especially to learn something
prickly	covered in sharp points or prickles, such as a cactus or bush
manual	using the hands to make something work