Uploaded by Mubarak Abass

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Part 1 Lesson 2
Words to Know
Write the word next to the description it matches.
microscope
telescope
tool
1. telescope a device that helps you see objects in the sky
2. tool an object or device used to perform a task
3.microscope
a device that uses several lenses to make small objects
appear much larger, so you can see them in detail
Explain
Tell if each statement is true or false. Explain your choice.
4. Hand lenses make objects appear smaller than they are.
This statement is false because band lenses make objects appear larger than they are
5. It is important to wear safety goggles and gloves during science activities.
This statement is _true because_some chemicals can damage you skin or eyes ,
also,some of the tools have sharp edges.
Apply Concepts
6. You and your friend both measure the same table. Why is it a good idea
for you to compare your measurements?
It is important to compare your measurements with others because this is a way
to check if the data are reasonable . If my measurements . Are very different
from my friend’s measurements,We should both take new measurements.
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