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Nature of Science. and Introduction to Cells Review

Total questions: 47

Worksheet time: 47mins

Name
Class
Date
1.

Using one or more of your senses to gather information is called...

a)

Infering

b)

Predicting

c)

Observing

d)

Hypothesizing

2.

A testable prediction is a...

a)

Theory

b)

Hypothesis

c)

Law

d)

Conclusion

3.

The Skittles are yellow, red and green is an example of _____________.

a)

Qualitative observations

b)

Hypothesis

c)

Quantitative observations

4.

The part of an experiment that does not change is a __________.

a)

Control

b)

Conclusion

c)

Constant

5.

The variable that is changed by the scientist to test a hypothesis is called the ________________.

a)

Dependent variable

b)

Control

c)

Independent variable

6.

Catherine is testing which soil will help grow grass the tallest. The height of the grown grass is the ____________ variable.

a)

Constant (stays the same)

b)

Independent (it's what you change)

c)

Dependent (it's what you measure)

7.

The plant has grown 4 cm since yesterday.

This is an example of what kind of data?

a)

Qualitative

b)

Quantitative

c)

Both

d)

Neither

8.

Ms. Umholtz performs an experiment by comparing the number of drops of tap water that can fit on a penny to the number of drops of soapy water that can fit on a penny. She performs three trials. What is the independent variable?

a)

Number of drops of tap water

b)

Number of drops of soapy water

c)

Type of water used

d)

Amount of drops that can fit on the penny

9.
In a well designed experiment, you should change how many variables?
a)
only one
b)
no more than two
c)
none at all
d)
as many as are needed
10.
The one variable you change is called the ___________ variable.
a)
independent
b)
dependent
c)
controlled
11.
The change that happens because of your experiment is called the ___________ variable.
a)
independent
b)
dependent
c)
controlled
12.
Everything you want to remain the same or unchanged is called are called  the ___________ variables.
a)
independent
b)
dependent
c)
controlled
13.

Which organelle will keep harmful things out of a plant or animal cell?

a)

Ribosome

b)

Mitochondria

c)

Cytoplasm

d)

Cell Membrane

14.

Which organelle holds DNA and controls the cell?

a)

Ribosome

b)

Mitochondria

c)

Nucleus

d)

Cell Membrane

15.

Which organelle does a plant cell have to make its own food using the sun (photosynthesis)?

a)

Chloroplast

b)

Ribosome

c)

Mitochondria

d)

Golgi Apparatus

16.

Which of the following does NOT belong to a prokaryotic cell?

a)

Cell Wall

b)

Ribosomes

c)

Cell Membrane

d)

Membrane-bound organelles

17.

Which of the following is the smallest unit of life?

a)

cell

b)

tissue

c)

organ

d)

atom

18.

Which part of the cell produces proteins? Hint: it can be found in the cytoplasm or with endoplasmic reticulum.

a)

golgi apparatus

b)

nucleus

c)

ribosome

d)

chloroplast

19.
Jelly-like material that makes up most of the cell
a)
cytoskeleton
b)
cytoplasm
c)
cyclops
d)
cytoliquid
20.
This organelle is stores food, water and waste.
a)
Ribosome
b)
Cytoplasm
c)
Vacuole
d)
Mitochondria
21.
What gives instructions to the cells?
a)
DNA
b)
PNA
c)
MBA
d)
NBA
22.
Which type of cell has a true membrane-bound nucleus?
a)
eukaryotic
b)
prokaryotic
23.

which cell is more complex

a)

Eukaryotic

b)

Prokaryotic

24.
_________ ship and package materials
a)
Golgi bodies
b)
Mitochondria
c)
Rough endoplasmic reticulum
d)
Smooth endoplasmic reticulim
25.

Tough outer layer of plant cells. Provides support and stability.

a)

cell membrane

b)

cytoplasm

c)

cell wall

d)

chloroplasts

26.

The theory of Endosymbiosis explains

a)

The origin of eukaryotes

b)

How bacteria live

c)

How species develop

d)

Why cells rely on one another

27.

What are evidence to support endosymbiotic theory?

a)

Mitochondria is found outside the cells

b)

Mitochondria and chloroplast can divide independently

c)

Mitochondria and chloroplast have their own cell membrane

d)

Mitochondria and chloroplast have their own genetic material

28.

Why type of cell does not contain membrane bound organelles?

a)

Animal Cells

b)

Prokaryotic Cells

c)

Eukaryotic Cells

d)

Plant Cells

29.
Which type of cell? It has DNA, Ribosomes, Cell Membrane, but no nuclues. 
a)
Prokaryote
b)
Eukaryote
30.

Which of the following is evidence to support the endosymbiotic theory?

a)

Prokaryotes have the same number and types of enzymes as eukaryotes.

b)

Mitochondria and chloroplasts have their own DNA, which is similar to prokaryotic DNA.

c)

All eukaryotic cells have a double-layered membran composed of phosplipids and proteins.

d)

Fossil evidence shows that the first forms of life were prokaryotic cells.

31.

___________a molecule that is present in all living cells and that contains the information that determines the traits a living thing inherits and needs to live.

a)

Cell

b)

Stimulus

c)

Homeostasis

d)

DNA

32.
When you step out into the cold, your body shivers in order to keep its temperature at 98.6F.
a)
All living things use energy
b)
All living things contain cells
c)
All living things maintain homeostasis
d)
All living things grow
33.
A camel has eyelashes that work to keep the dust and sand out of its eyes.
a)
All living things adapt to their environment
b)
All living things grow
c)
All living things have cells
d)
All living things use energy
34.
Over three years, Tim's height has increased from 5'4" to 5'11".
a)
All living things contain cells
b)
All living things maintain homeostasis
c)
All living things use energy
d)
All living things grow
35.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
36.
In order for something to be considered a living organism, it must display _____ of the eight characteristics of living things.
a)
one
b)
some
c)
all
d)
more than half
37.

The person in the picture is a man

a)

Observation

b)

Inference

38.

The person hit his head doing a chin up.

a)

Observation

b)

Inference

39.
No one has used the slide in a long time.
a)
Observation
b)
Inference
40.
There is a web on the slide.
a)
Observation
b)
Inference
41.

What conclusions can you draw from this graph?

a)

The deer population went down over time.

b)

The deer population went up over time.

c)

The deer population went up quickly, then down, but then stayed the same.

d)

There are less deer because of hunters

42.
Experiment: How does adding cardio to one’s daily schedule affect their heart rate?
The heart rate is the ________________  variable.
a)
independent
b)
dependent
43.

What is the independent variable?

a)

Distance from School

b)

Time (minutes)

c)

Sarah

d)

There is no independent variable

44.

Which of these is the dependent variable?

a)

x-axis

b)

y-axis

45.

On a graph, which axis shows the independent variable?

a)

x-axis

b)

y-axis

46.

What is the dependent variable?

a)

Number of Hamburgers Sold

b)

Day of the Week

c)

Location of the Hamburgers

d)

There is no dependent variable

47.

What is the independent variable?

a)

Months

b)

Temperature

c)

Highs

d)

Lows

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