Trimester 1 Life Science Nb Grade 7

Front 1

Electrical Safety

Back 1

symbol shows either a bent power cord or a lightning bolt with an arrow on the bottom.

Front 2

Eye Safety

Back 2

symbol shows safety googles

Front 3

Stage

Back 3

a moveable platform on a microscope where the specimen is mounted for examination

Front 4

Diaphragm

Back 4

a small moveable shade that can control the amount of light passing through the specimen

Front 5

Cell Membrane

Back 5

a soft, plasma membrane that allows substances to move in and out of a cell (exists in plant and animal cells)

Front 6

Cell Wall

Back 6

A rigid layer outside of the membrane, bordering the individual cell (exists in plant cells only)

Front 7

Chloroplasts

Back 7

Organelles in the cell that convert the sun's energy into energy that the organism can use (exists in plant cells only), contains chlorophyl (pigment that makes the plant green)

Front 8

Ribosomes

Back 8

Small particles that produce proteins, and exist in the endoplasmic reticulum (exist in plant and animal cells).

Front 9

Mitochondria

Back 9

Organelles floating in the cytoplasm that converts food energy into energy that the cell can use, the powerhouse of a cell (exist in plant and animal cells).