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Q3 CA Review

Total questions: 75

Worksheet time: 2hrs 36mins

Name
Class
Date
1.

Temperature is a(n)

a)

Biotic Factor

b)

Abiotic Factor

2.

Weather is a(n)

a)

Biotic factor

b)

Abiotic factor

3.

Fungi are

a)

Biotic factors

b)

Abiotic factors

4.

A plant is a(n)

a)

Biotic factor

b)

Abiotic factor

5.

An animal is a(n)

a)

Biotic factor

b)

Abiotic factor

6.

Hawks and owls eat the same type of food and struggle with one another to get their food. What is this an example of?

a)

Competition

b)

Biotic factor

c)

Symbiosis

d)

Population

7.

A self-contained living thing.

a)

Organism

b)

Population

c)

Abiotic factor

d)

Ecosystem

8.

Hawks and brown bears live together in the same habitat. There will be competition between the hawks and the brown bears only if which of the following is true?

a)

Brown bears hibernate during the winter while hawks remain active.

b)

Pesticides in the fish population affect hawks’ eggs and decrease their population.

c)

Both brown bears and hawks feed on the same species of fish.

d)

Both Shanna and Savanna feed on the same species of snakes.

9.

An increase in which of the following factors is likely to contribute to competition between two members of the same species living in a certain habitat?

a)

Available food resources

b)

Population of the species

c)

Annual snowfall

d)

Overall size of the habitat

10.

Competition becomes more important as the number of individuals ______ or the availability of resources _________.

a)

increases, decreases

b)

increases, increases

c)

decreases, increases

d)

decreases, decreases

11.

Who was responsible creating a microscope that discovered bacteria?

a)

George Washington

b)

Anton Van Leeuwenhoek

c)

Thomas Edison

d)

Robert Hooke

12.

What FIRST scientist is responsible for discovering and naming the Cell?

a)

Robert Hooke

b)

Isaac Newton

c)

Anton van Leeuwenhoek

13.

Matthias Schleiden and Theodore Schwann discovered that all living things are made up of ________________.

a)

bones

b)

plants

c)

animals

d)

cells

14.

Choose a statement that is incorrect about Cell Theory:

a)

Cells are only found in plants and animals

b)

Cells are the smallest and most basic unit of life

c)

All cells are made from preexisting cells

d)

All organisms are made of 1 or more cells

15.
Which statement is a part of the cell theory?
a)
all cells come from preexisting cells
b)
bacteria are prokaryotic cells
c)
eukaryotic cells are complex
d)
humans are multicellular
16.

Based on the diagram below, what characteristic is required for a cell to be considered eukaryotic?

a)

A eukaryotic cell must contain membrane bound organelles such as a nucleus.

b)

A eukaryotic cell must have chlorophyll making it possible for the cell to photosynthesize.

c)

A eukaryotic cell must have ribosomes.

d)

A eukaryotic cell will never have a cell wall.

17.

What basic characteristic divides the organisms in Kingdom A from Kingdom B?

a)

The organisms in Kingdom A are all multicellular and those in Kingdom B are unicellular.

b)

The organisms in Kingdom A are all unicellular and those in Kingdom B are multicellular.

c)

The organisms in Kingdom A are all autotrophic and those in Kingdom B are heterotrophic.

d)

The organisms in Kingdom A are all heterotrophic and those in Kingdom B are autotrophic.

18.

What is the term used to describe a characteristic that helps an organism survive in its environment and reproduce?

a)

Evolution

b)

Variation

c)

Adaptation

d)

Traits

19.

When animals migrate, this is a ________________ adaptation.

a)

structural

b)

behavioral

20.

A walking stick insect blends in with its environment. What term describes this adaptation?

a)

Hibernation

b)

Internal adaptation

c)

Camouflage

d)

Migration

21.

How does camouflage benefit an organism?

a)

Helps the organism build shelter.

b)

Allows the organism to sleep for many months during the winter.

c)

Helps the organism get good sleep at night.

d)

Allows organism to blend in with its environment in order to hunt or avoid being hunted.

22.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
23.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
24.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
25.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
26.

How many total atoms in the following equation?

ClN6Fe2

a)

6

b)

8

c)

10

d)

9

27.

How many atoms of Carbon are in this equation?


HʒC5O4

a)

3

b)

1

c)

5

d)

4

28.

How many atoms of Calcium are in this equation?

H3O5CaCl7

a)

3

b)

5

c)

1

d)

7

29.

Identify the Coefficient.

3BeH5Si8

a)

5

b)

3

c)

1

d)

8

30.

Identify the subscripts.

4Fe5K2

a)

4

b)

5

c)

2

d)

1

31.

How many atoms of Hydrogen are in this equation?

5Cl2H5

a)

10

b)

2

c)

5

d)

25

32.
What is the definition of a chemical change?
a)
Characteristics that describe how a substance behaves under different conditions
b)
Alteration in the physical state of matter without changing its chemical composition
c)
Transformation that results in the creation of new substances
d)
Inherent characteristics that help us identify and describe matter
33.
What happens to the fundamental particles during a chemical change?
a)
They remain the same
b)
They break and form new chemical bonds
c)
They become completely different substances
d)
They disappear
34.

The substance being dissolved is called the ________

a)

solvent

b)

solid

c)

solute

d)

solvate

35.

When no more solute dissolves the solution is _________

a)

supersaturated

b)

unsaturated

c)

saturated

d)

supercalifragilisticexpialidocious

36.
What is a solvent?
a)
The substance that does the dissolving in a solution.
b)
The substance that is being dissolved in a solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
37.
Which is an example of a solute?
a)
Milk
b)
Sugar
c)
Water
d)
Ginger Ale
38.
Which is an example of a solvent?
a)
Salt
b)
Iced Tea mix
c)
Water
d)
Sugar
39.

A solution in which the solute completely dissolves.

a)

saturated solution

b)

unsaturated solution

c)

supersaturated solution

40.

How do we make a dilution?

a)

Add more solute

b)

Remove solute

c)

Remove solvent

d)

Add more solvent

41.

True or False

The rate of dissolving of a solute in a solvent is faster when the solute and solvent are stirred.

a)

True

b)

False

42.

Jackson is making dinner and is trying to dissolve salt into a pot of water. The salt is dissolving slowly. What should Jackson do to speed up the rate of dissolving?

a)

He should put larger salt particles in the water.

b)

He should heat the water to a higher temperature.

c)

He should completely stop stirring the pot of water.

d)

He should slow down the speed he is stirring the pot.

43.

What combination would dissolve a solid solute the fastest?

a)

high temperature, no stirring

b)

no heat, no stirring

c)

sugar cube, no heat

d)

high temperature, stirring

44.
Ernesto and Amanda fill two cups with water. They use hot water in one cup and cold water in the other cup. Next, they will stir a spoon of salt into each cup.     

In which cup will the salt dissolve more slowly? 
a)
The salt will not dissolve in either cup
b)
The salt dissolves more slowly in the hot water
c)
The salt dissolves more slowly in the cold water
d)
The salt dissolves at the same speed in both cups
45.
After completing one trip on a roller coaster, the roller coaster's ________ is zero.
a)
displacement
b)
reference point
c)
length
d)
distance
46.
A person walks 50 meters directly north, stops, and then travels 32 meters directly south.  What is their displacement?
a)
82 meters
b)
18 meters
c)
28 meters
d)

0 meters

47.
Tina's calculations of a tarantula found that the spider was able to cover 20 cm in 5 seconds. What was the average speed of the spider?
a)
4 m/min
b)
4 m/s
c)
4 cm/min
d)
4 cm/s
48.

If a puppy runs across a park at a speed of 15 m/s. The puppy has a time of 5 seconds. How far did the puppy run?

a)

75 m

b)

30 m

c)

45 m

d)

105 m

49.
Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?
a)
10
b)
7
c)
8
d)
6
50.

speed in a given direction

a)

velocity

b)

average speed

c)

instantaneous speed

d)

speed

51.

Which of the following is an acceptable velocity measurement?

a)

25 m/s North

b)

25 m/s

c)

25 m

d)

25 m North

52.
The hurricane was moving 38 mph northwest.
a)
Speed
b)
Velocity
c)

Distance

d)

Displacement

53.

The airplane flew 300 miles.

a)
Speed
b)
Velocity
c)

Distance

d)

Displacement

54.

Which is true about this graph?

a)

The displacement of the object is 200 m

b)

The distance traveled by the object is 200 m

c)

The distance traveled by the object is 0m

d)

The displacement of the object is 0 m

55.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
56.
How long did it take this object to travel 10 m?
a)
0 s
b)
10 s
c)
15 s
d)
20 s
57.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
58.

Match the description to the graph:

"The speed of the car moves fast and then decreases to a stop."

a)
b)
c)
d)
59.

What is happening at C?

a)

Stationary

b)

Accelerating

c)

Constant motion

60.
The graph shows Ashley riding her bike to Maria's house. 
What was occurring from point B to point C?
a)
She was increasing her speed.
b)
She stopped for 4 minutes
c)
She was decreasing in speed
61.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
62.

What is the unit to MEASURE force?

a)

Kilogram

b)

Meter

c)

Pounds

d)

Newton

63.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
64.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
65.

Forces that have a net force of zero Newtons

a)

Balanced force

b)

Unbalanced force

66.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
67.

According to Newtons first law, an object in motion will ___________________ unless an unbalanced force acts on it.

a)

stop

b)

accelerate

c)

stay in motion

d)

stay at rest

68.

In the picture, the blocks are flying out of the truck based on Newton's first laws because .....

a)

object in motion stays in motion

b)

object at rest stays at rest

c)

of inertia

d)

force mass and acceleration

69.

A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them is an example of newtons first law because

a)

an unbalanced force acts on an object

b)

an object in motion stays in motion until an unbalanced force acts on it

c)

an object at rest remains at rest until an unbalanced force act on it

d)

A balanced force acts on an object

70.

Where is the object stopped?

a)

A

b)

B

c)

C

d)

D

71.

Where is the object moving back to the origin?

a)

A

b)

B

c)

C

d)

D

72.

Where is the object moving away from the origin at the quickest speed?

a)

A

b)

B

c)

C

d)

D

73.

What is the speed of the object during segment B?

a)

0.5 m/s

b)

1.3 m/s

c)

2 m/s

d)

2.5 m/s

74.

A student walks 50 meters in 100 seconds. Calculate the speed.

a)

0.5

b)

0.5 m/s

c)

500 m/s

d)

2 m/s

75.

A turtle crawls at a pace of 2 m/hr. How long does it take for the turtle to crawl 10 m?

a)

20

b)

0.2 hr

c)

200 hr

d)

5 hr

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