Scientific Method and Microscopes

This bring the specimen into sharp focus:

• coarse adjustment knob

• fine adjustment knob

• eyepiece

• stage clips

• rotating nosepiece

Connects to the base and is used for carrying the microscope safely:

• arm

• base

• body tube

• revolving nosepiece

• objectives lens

Used as illumination for the specimen:

• mirror

• light source

• stage clips

• slide

Used to hold the slides in place:

• stage

• stage clips

• diaphragm

• arm

Changes the objective lens to increase or decrease magnification:

• body tube

• stage clip

• revolving nosepiece

• eyepiece tube

A microscope is an instrument that ________________

• makes faraway objects look closer.
• makes small objects appear larger.
• decreases the size of small objects.
• increases the size of small objects.

Tags

NGSS.4-PS4-2

This part moves the stage up and down to bring the specimen into view:

• fine focus

• large focus

• coarse focus

• small focus

Label the parts of the microscope.

a

b

c

d

e

f

g

h

i

j

base

rotating nosepiece

arm

objective lens

fine knob

eyepiece

stage clips

light source

stage

coarse knob

Place the steps of the scientific method in the correct order:

• perform an experiment

• make a conclusion

• identify a question

• formulate a hypothesis

• analyze data

Tags

NGSS.MS-PS2-2

The variable the scientist controls:

• dependent variable

• control group

• independent variable

• experimental group

Tags

NGSS.MS-PS2-2