Unit 1 TEST

Question 1

What is Biology

Answer 1

The study of life

Question 2

What is the Scientific Method

Answer 2

The method by which you preform an experiment

Question 3

What is a Hypothesis

Answer 3

An educated guess based on the situation with an if…then…because statement

Question 4

What is an Independent Variable?

Answer 4

The variable that is changed/controlled

Question 5

What is a Dependent Variable

Answer 5

The variable that changes based on the Independent Variable; the thing you are studying.

Question 6

What is the difference between the dependent and independent variable?

Answer 6

The Independent Variable is controlled and changed to observe the change in the Dependent Variable

Question 7

What is the Control Group?

Answer 7

The study group that does not get an Independent Variable

Question 8

What is the Experimental Group?

Answer 8

The study group that gets exactly ONE Independent Variable.

Question 9

What is the difference between the Control and Experimental Group?

Answer 9

The control group is what is compared to the experimental group to see effects of the Independent Variable

Question 10

What is Homeostasis

Answer 10

The ability to maintain stable conditions necessary for survival.

Question 11

What is DNA?

Answer 11

The carrier of genetic information necessary for survival.

Question 12

What is Evolution?

Answer 12

The gradual development of a species from simplicity to relative complexity.

Question 13

What are the characteristics of life?

Answer 13

Grow and develop
Reproduce
Respond to environment
Use energy
Maintain homeostasis
Made of cells
Evolves

Question 14

What are the steps of the scientific method?

Answer 14

1. Observation
2. Hypothesis
3. Experiment
4. Observe
5. Conclusions

Question 15

What should be included in a hypothesis

Answer 15

An if…then..because statement based on logical reasoning

Question 16

What is the difference between Qualitative and Quantitative data?

Answer 16

Qualitative data is observations not able to be expressed with numbers
Quantitative data is observations expressed with numbers

Question 17

How do you calculate the magnification on a microscope?

Answer 17

Multiply the objective and optical lens’ magnification together.

Question 18

Define Grow and Develop

Answer 18

The ability to change as you grow

Question 19

Define Reproduce

Answer 19

The ability to create offspring, wether sexual or asexual.

Question 20

Define Respond to Environment

Answer 20

The ability to change with your environment

Question 21

Define Use Energy

Answer 21

The ability to covert resources into energy to grow and survive.

Question 22

Define Maintain Homeostasis

Answer 22

The ability to keep stability inside of yourself

Question 23

Define made of cells

Answer 23

Made out of one or many living cells.

Question 24

Define Evolve

Answer 24

The ability to adapt or change over a long period of time

Question 25

What does the Light Source do?

Answer 25

Projects light through the specimen.

Question 26

What does the diaphragm do?

Answer 26

Controls the level/brightness of the light

Question 27

What does the Stage do?

Answer 27

Holds the slide in place

Question 28

What do the Objective Lenses do

Answer 28

Magnifying the image various amounts, depending on the lens.

Question 29

What does the Ocular do

Answer 29

Allows you to look into the microscope, magnifies the image (usually 10x).

Question 30

What does the revolving nosepiece do?

Answer 30

Rotates objective lenses into place.

Question 31

What does the Coarse Focus/Adjustment do?

Answer 31

Raises and lowers the stage to bring the slide closer/farther from the lenses.

Question 32

What does the Fine Focus/Adjustment do?

Answer 32

Preforms small stage movements to fully focus the image.

Question 33

What does the Arm do?

Answer 33

Supports the lenses.

Question 34

What does the Base do?

Answer 34

Supports the microscope from the bottom