science exam revision

Question 1

Holds microscope slide in place

Answer 1

Slide clips

Question 2

a handle for holding a microscope when carrying it

Answer 2

arm

Question 3

a platform which holds the microscope slides

Answer 3

stage

Question 4

a lens at the end of the body tube which our eyes look into - it magnifies the specimen 10x

Answer 4

eye piece

Question 5

a round dial which is rotated to help us see a specimen more clearly

Answer 5

Coarse/Fine focus knob

Question 6

a lens closest to the obect. - the microscope usually has it in low and high power

Answer 6

40x power objective

Question 7

bottom stand on a microscope

Answer 7

base

Question 8

supplies light which passes through the microscope

Answer 8

lamp

Question 9

rotates to allow different power objective lenses to be selected

Answer 9

Revolving nosepiece

Question 10

Nucleus

Answer 10

The nucleus controls and regulates the activities of the cell

Question 11

Cytoplasm

Answer 11

It provides a base for other organelles to operate within the cell

Question 12

Cell membrane

Answer 12

The cell membrane regulates the transport of materials entering and exiting the cell

Question 13

Mitochondria

Answer 13

The powerhouse of the cell

Question 14

Vacuole

Answer 14

In animal cells, vacuole removes waste. In plant cells, they help maintain water balance

Question 15

Chloroplast

Answer 15

convert light energy into chemical energy via photosynthesis

Question 16

Cell wall

Answer 16

Provides strength and protection against stress