science quiz KS3

Eyepiece

The lens nearest to our eyes when we look through the microscope

Objective

The lens nearest to the slide

Body tube

Holds both sets of slides

Coarse adjustment knob

Used to make large adjustments in focusing

Fine adjustment knob

Used to make small adjustments ins in focusing

Stage

Where the slide that is about to be observed is placed

Stage translational control

Used to move the slide on the stage

Arm

The part we hold to carry the microscope from place to place

Diaphragm

Used to adjust the amount of light entering the microscope

Light source

Shines light onto the slide

Base

Supports the whole microscope

Cell wall

It protects, supports and gives the regular shape to the cell

Cell membrane

It's controls the movement of cells into and out of the cell

Cytoplasm

It allows the transport of substances in the cell. Many chemical reactions take place here

Nucleus

It contains generic materials that control the activities of the cell

Vacuole

It stores water and dissolved minerals

Chloroplast

It contains chlorophyll, it is the site where photosynthesis takes place.

Chlorophyll

Contains the green pigment of which makes the plant green not all plants have it