Cells, Cell theory, Microscopes

What is the basic unit of life in all living things?

• atoms

• molecules

• cells

• elements

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

All cells come from...

• existing cells

• matter

• spontaneous generation

• electrical impulses

Tags

NGSS.MS-LS1-1

All living things are made of one or more...

• electrons

• atoms

• molecules

• cells

Tags

NGSS.MS-LS1-1

NGSS.MS-PS1-1

Which of the following statements is not part of the cell theory?

• Cells are the basic unit of structure and function in all living things.
• All cells are produced from other cells.
• Only animal cells are composed of cells.
• All living things are composed of cells.

Tags

NGSS.MS-LS1-1

When observing cells, which of the following optical tools is most appropriate?

• Hand lens
• Telescope
• Petri dish
• Microscope

The arrow is pointing to this part of the microscope.

• eye piece

• stage

• objective lenses

• arm

Find the total magnification: 
Eyepiece = 10X 
Objective lens = 55X  

• 10x
• 55x
• 65x
• 550x

When looking at a specimen on your slide, you should always start with the

• low objective lens
• medium objective lens
• high objective lens
• super extra high power lens

The__________ sharpens the image under high magnification.

• the diaphragm
• fine adjustment knob
• coarse adjustment knob
• the ocular

The _______focuses the image under low power.

• revolving nosepiece
• fine adjustment knob
• coarse adjustment knob
• arm/neck