Unit 1 Practice

What is a line graph used for?

• Track change over time

• Compare different sets of data

• Compare different groups

• Show an increase over time

What is a bar graph used for?

• Show change over time

• Compare different groups

• To show an increase over time

What power should you start your microscope on when you first use it?

• Low

• Medium

• High

Sarah wants to focus her microscope more on the specimen. She does not need to move the stage. Which knob should she use?

• Course adjustment knob

• Fine adjustment knob

Jackson is carrying a microscope by just the arm. What else should he do to carry it safely?

• Use both hands to carry it by the arm

• Place one hand on the bottom of the microscope

• He is carrying it perfectly

Thomas is looking through a microscope. The objective lens is always 10x. He is looking through the highest power which is 40x. What is the total magnification?

• 10x

• 40x

• 400x

• 100x

It is safe to wear contact lenses instead of glasses during a lab.

• True

• False

Derek's lab partner is on fire!!! What should he use to put out the fire?

• Fire extinguisher

• Fire blanket

Mrs. Leach needs to put out a fire in the lab using a fire extinguisher. What is the first step to using it?

• Point it at the fire

• Pull the lever

• Pull the pin

Can broken glass go in the garbage?

• Yes

• NO!