MT 1 Bio

Question 1

nose piece

Answer 1

the part that holds
two or more
objective lenses
and can be rotated
to easily change
power

Question 2

body tube

Answer 2

connects the eyepiece
to the objective
lenses

Question 3

adds to the magnification

Answer 3

objective lenses

Question 4

magnifies; where you
look through to see the
image of your specimen.

Answer 4

ocular lense

Question 5

supports the tube and
connects it to the
base

Answer 5

arm

Question 6

the flat platform
where you place
your slides

Answer 6

stage

Question 7

Moves stage (or
body tube) up and
down

Answer 7

coarse adjustment knob

Question 8

small, round knob on
the side of the microscope used to fine-tune the focus of your
specimen after using the coarse
adjustment knob

Answer 8

fine adjustment knob

Question 9

base

Answer 9

the bottom of the
microscope, used for
support

Question 10

Stage clips

Answer 10

Stage clips hold the slides in
place.

Question 11

diaphragm

Answer 11

-controls the amount of light
going through the specimen

Question 12

Provides light to make
the specimen
easier to see

Answer 12

light source

Question 13

Similar to a magnifying glass and has only one lens.

Answer 13

Simple Microscope

Question 14

Gives a three dimensional view of an
object. (Examples: insects and leaves)

Answer 14

Stereoscopic Microscope

Question 15

Lets light pass through an object and then
through two or more lenses.

Answer 15

Compound Microscope

Question 16

Uses a magnetic field to bend beams of electrons; instead of using lenses to bend beams of light.

Answer 16

Electron Microscope

Question 17

Enlarges an image and bends the light toward your eye.

Answer 17

a lense

Question 18

Field of Vision

Answer 18

Field of Vision (FOV): the diameter of the circle of light that you see when looking into a microscope.

Question 19

an objective, verifiable observation.

Answer 19

fact

Question 20

a statement based on repeated
experimental observation that describes an aspect of the world.

Answer 20

principle

Question 21

broad concept or principle (how)

Answer 21

law

Question 22

Theory

Answer 22

An explanation of an observed phenomenon

Question 23

Observation

Answer 23

Description of
something you can
see, smell, touch,
taste, hear

Question 24

Inference

Answer 24

A guess
about an object or
outcome based on
your observations

Question 25

Qualitative Observation

Answer 25

describes qualities

Question 26

Quantitive Observation

Answer 26

uses
numbers to
measure
something

Question 27

precise

Answer 27

how close your measurements are to
each other

Question 28

accurate

Answer 28

how close your measurement is to
the correct/accepted value

Question 29

a statement that clearly
shows what question you are trying to answer in your investigation

Answer 29

purpose/ objective

Question 30

The overall goal of a scientific investigation is to ________

Answer 30

answer a question

Question 31

A testable prediction based on
observations (more than a guess!!) that describes a cause and effect relationship between variables

Answer 31

hypothesis

Question 32

Independent variable

Answer 32

what the experimenter will deliberately change or manipulate in the investigation

Question 33

Dependent variable

Answer 33

what changes in
response to the independent variable

Question 34

What will you need to conduct the experiment?

Answer 34

Materials

Question 35

experimental groups

Answer 35

groups that are being
tested

Question 36

control group

Answer 36

group used for comparison with
your experimental groups. This is the “normal” group

Question 37

constants

Answer 37

the aspects of an experiment
that are held constant/consistent