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Unit 2: Cells Test

Total questions: 35

Worksheet time: 24mins

Name
Class
Date
1.
A researcher did an investigation to see if corn seeds would sprout at different times depending on the temperature of the water in which they were placed.  What is the independent variable?
a)
How long to sprout
b)
type of seed used
c)
water temperature
d)
how much water used
2.
A study was done to see if different tire treads affect the braking distance of a car.
What is the dependent variable?
a)
Tire treads
b)
Braking distance
c)
Road conditions
d)
Model of car
3.
The higher the temperature in an oven, the faster a cake will bake.
What is the independent variable?
a)
Cake flavor
b)
Temperature
c)
Time
d)
Type of oven
4.
Students measured the temperature of the water at different depths in Lake Skywalker and found that the temperature varied.
What was the dependent variable?
a)
Time
b)
Temperature
c)
Student taking the measurement
d)
Water depth
5.

Identify the INDEPENDENT VARIABLE: You experiment to see if a bouncy ball or a tennis ball bounces higher.

a)

Type of ball

b)

Same drop height

c)

Height of bounce

d)

Same surface

6.

Which number are the lenses in the image?

a)

1

b)

7

c)

8

d)

12

7.
Which number is the course knob in the image?
a)
4
b)
5
c)
9
d)
11
8.
Which number is the stage clips in the image?
a)
9
b)
10
c)
11
d)
12
9.
Which number is the light source in the image?
a)
9
b)
10
c)
11
d)
12
10.
Which number is the fine course adjustment knob in the image?
a)
3
b)
4
c)
5
d)
6
11.
Which number is the stage in the image?
a)
9
b)
10
c)
11
d)
12
12.

What is a cell?

a)

the basic unit of life

b)

a group of tissues working together to perform a function

c)

the largest level of biological organization

13.

group of cells working together to do a job

a)

cell

b)

population

c)

tissue

d)

organism

14.

group of tissues working together to do a job

a)

organism

b)

biome

c)

ecosystem

d)

organ

15.

organs working together to do a specific function

a)

community

b)

organ system

c)

biosphere

d)

tissue

16.

organ systems combined into a single living thing

a)

organ

b)

cell

c)

organism

d)

population

17.
Where is DNA stored in a cell? 
a)
Lysosomes
b)
Golgi Complex
c)
Ribosomes
d)
Nucleus
18.
To control what enters or leaves the cell is a function of _________.
a)

Vacuole

b)

Cell Membrane

c)

Nucleus

d)

Mitochondria

19.
What is the fluid inside a cell called? 
a)
Endoplasimic Reticulum
b)
Orange Juice
c)
Water
d)
Cytoplasm
20.

Which organelle produces the energy a cell needs to carry out its functions? (The mighty power house)

a)

lysosome

b)

mitochondria

c)

vacuoles

d)

ribosomes

21.
The Golgi apparatus _____.
a)
packages cell products for export
b)
eliminates waste
c)
stores DNA
d)
makes energy
22.
Which organelle stores food, waste, and other materials?
a)
cytoplasm
b)
ribosomes
c)
vacuoles
d)
golgi body
23.
Lysosome function:
a)

Stores water

b)

Break down large food particles into smaller ones. Also break down old cells.

c)

Transports materials

d)

Hold genetic material

24.

Why do scientists use models?

a)

To see things that our eyes can't see.

b)

To see things that are too far away.

c)

To see things that may be too dangerous to be near.

d)

All of the above

25.

A possible explanation to a question that has not yet been tested. 

a)

data

b)

theory

c)

hypothesis

d)

fact

26.
The variable the is changed on purpose is..
a)
Constant
b)
Control
c)
Independent Variable
d)
Dependent Variable
27.
The variable that is being tested, counted, or measured and is responding to the independent variable is known as 
a)
Control
b)
Constant
c)
Independent Variable
d)
Dependent Variable
28.

A decision or realization based on facts.

a)

outcome

b)

choice

c)

conclusion

d)

hypothesis

29.

Information or facts.

a)

variables

b)

observation

c)

data

d)

facts

30.

This is the part of the scientific method that leads to a question or wondering.

a)

looking

b)

recording

c)

observation

d)

data

31.

Commonly conducted to test a hypothesis

a)

variable

b)

science

c)

data

d)

experiment

32.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
33.

When you say something is like something else, what is that called?

a)

Observation

b)

Conclusion

c)

Analogy

d)

Statement

34.

True or False: Organelles are bigger than cells.

a)

True

b)

False

35.

Which vegetable did we look at under microscopes?

a)

Onion

b)

Radish

c)

Scallion

d)

Carrot

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