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Unit 1 Review

Total questions: 115

Worksheet time: 2hrs 18mins

Name
Class
Date
1.

A new plant species has been found in a garden. Who would study this?

a)

Chemist

b)

Physicist

c)

Astronomer

d)

Botanist

2.

Someone who studies viruses works in the branch of science called

a)

virology

b)

mycology

c)

entomology

d)

biology

3.

A fossil is found. What is the correct type of scientist to study it?

a)

Virologist

b)

Marine biologist

c)

Paleontologist

d)

Botanist

4.

A new insect species has been discovered by a(n)

a)

entomologist

b)

botanist

c)

chemists

d)

mycologist

5.

___ is the study of marine organisms, their behaviors, and their interactions with the environment.

a)

Hydrology

b)

Zoology

c)

Marine Biology

d)

Ecology

6.

The science that studies animals, their behaviors, and their interactions with one another is called ___.

a)

Mycology

b)

Botany

c)

Zoology

d)

Anatomy

7.

It is the study of Earth and focuses on the processes that form and shape Earth's surface.

a)

Biology

b)

Geology

c)

Physics

d)

Chemistry

8.

It is a branch of science that studies all living things.

a)

Biology

b)

Physics

c)

Ecology

d)

Astronomy

9.

The amount of matter inside an object is called ___.

a)

mass

b)

volume

c)

density

d)

pH

10.

The amount of space an object takes up is called ___.

a)

mass

b)

volume

c)

density

d)

weight

11.

A student measured 40mL of water using a graduated cylinder. He then added a rock and noticed that the water level is now at 45mL. What is the volume of this object?

a)

9mL

b)

45mL

c)

5mL

d)

Not enough information

12.

What is the mass on this triple beam?

a)

143 g

b)

40 g

c)

43.0 g

d)

43.5 g

13.

What is the mass on this triple beam?

a)

142.0 g

b)

42 g

c)

102.0 g

d)

140.2 g

14.

What is the mass on this triple beam?

a)

200.0 g

b)

44.0 g

c)

244.0 g

d)

240.4 g

15.

What scientific tool is pictured here?

a)

weight scale

b)

pan balance

c)

digital balance

d)

triple beam balance

16.
Where should you read the level of water on the graduated cylinder?
a)
Level "A"
b)
Level "B"
c)
Level "C"
d)
None of these
17.
What is the volume of water in the graduated cylinder?
a)
34 mL
b)
30 mL
c)
40 mL
d)
32 mL
18.
What is measured with a graduated cylinder?
a)

time

b)

distance

c)

weight

d)

volume

19.
What is the correct value?
a)
5 ml
b)
15 ml
c)
20 ml
d)
25 ml
20.

The curved surface at the top of a column of water is called the ___.

a)
arch 
b)
meniscus
c)

peak

d)
scoop
21.
a)
22 mL
b)
24 mL
c)
25 mL
d)
21 mL
22.

The scientific process is best defined as?

a)

a way to solve a problem

b)

a set of linear steps

c)

a way to build new technology

d)

how to collect data

23.

A problem is always written

a)

as a question

b)

as an "if...then..."

c)

as an "if...then...because"

d)

as an "I think..."

24.

Which of the following is a problem that can be explored using the scientific process?

a)

Does the temperature of water affect the rate at which sugar dissolves?

b)

If tomato plants are given organic fertilizer, then they will produce a higher number of tomatoes compared to plants given synthetic fertilizer.

c)

I think a plant grown with vinegar will be taller.

d)

Baking soda has a smooth texture.

25.

What is a hypothesis?

a)

An educated guess

b)

Qualitative data

c)

Research and evidence

d)

A general explanation of how something works

26.

Identify the hypothesis.

a)

If plants receive more sunlight, then they will grow taller because sunlight is essential for photosynthesis.

b)

Does studying with music improve test scores?

c)

Fertilizer makes tomato plants grow taller.

d)

I observed that fish prefer jazz music over rap music.

27.

To increase the validity of an experiment, a scientist can

a)

revise the hypothesis

b)

collect opinions from other scientists

c)

repeat the experiment many times

d)

repeat the experiment one time

28.

What is a constant?

a)

The factor kept the same

b)

The factor being affected

c)

The factor being measured

d)

The factor being manipulated by the scientist

29.

Scenario: Does the type of water affect the height of a plant?

What should be kept constant in this experiment? Select all that apply.

a)

type of plant

b)

type of water

c)

amount of water

d)

kind of potting soil

e)

starting height of plants

30.

Which of these best describes the control group? Select all that apply.

a)

The group without the factor being tested

b)

The group not being measured

c)

The group used to compare data to

d)

The group with the most constants

31.

A dependent variable is

a)

what is being affected

b)

what is being manipulated

c)

what is staying the same

d)

what is used for comparison

32.

An independent variable is

a)

what is being affected

b)

what is being manipulated

c)

what is staying the same

d)

what is used for comparison

33.

A student wants to test the effects of different types of exercise on heart rate. What is the dependent variable?

a)
heart rate
b)
type of exercise
c)
amount of exercise
d)
time of day exercise occurs
34.

When experimenting with the growth of a plant, a scientist uses three identical plants but with two different fertilizers. Which variable is the fertilizer?

a)

dependent

b)

independent

c)

control

d)

constant

35.

Scenario: Does the type of gasoline put in a car affect how fast the car can drive?

What is the independent variable?

a)

type of gas

b)

type of car

c)

speed of car

d)

amount of gas

36.

An experiment is performed on plants to see how different liquids affect plant growth. The dependent variable is the

a)

type of plant

b)

amount of sunlight

c)

type of music

d)

plant growth

37.

An experiment is set up to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?

a)

distance the ball travels

b)

height of the ramp

c)

mass of the ball

d)

where the experiment took place

38.

Which of the following statements is a testable hypothesis?

a)

Plants grow taller in sunlight than in darkness because light is important to photosynthesis.

b)

Plants grow in sunlight because they need it for photosynthesis.

c)

Plants grow better in sunlight than in darkness because light is important to photosynthesis.

d)

Plants grow more easily in sunlight than in darkness because light is important to photosynthesis.

39.

In an experiment to test the effect of temperature on the solubility of salt in water, what is the independent variable?

a)

amount of salt

b)

temperature of the water

c)

volume of water

d)

time taken for salt to dissolve

40.

Examine the bar graph. What is the dependent variable in this experiment?

a)

length of tail

b)

type of food

c)

size of tank

d)

mass of fish

41.

The graph shows the average production of apples per year from 1992-1997. What is the independent variable?

a)

year

b)

number of apples produced

c)

size of apples

d)

amount of trees with apples

42.

A student wants to test which brand of popcorn pops the most kernels. She picked a store brand, Orville Redenbacher, and PopSecret. All three bags started with the same number of kernels. She popped each for 3 minutes in the same microwave, and then counted the number of kernels left over. What is the independent variable?

a)

number of kernels left over

b)

brand of popcorn

c)

number of kernels before popping

d)

length of time cooking

43.
How many variables should be tested at a time?
a)

three

b)

four

c)

two

d)

one

44.

Which step of the scientific process provides data, graphs, and charts to process the information gathered during an experiment?

a)

procedure

b)

analysis

c)

conclusion

d)

hypothesis

45.

A student performed an experiment with soil and water. The table shows the kind of soil that was added to each of two cans. After the soil was added, a 5mm opening was made in the bottom of each can. Then a total of 200 milliliters of water was added to each. The water that dripped from each can was collected for one minute. Which of the following is an observation in this experiment?

a)

Sunlight heats water in clay faster than water in sand

b)

The sand was better

c)

Water flows through sand faster than clay

d)

Insects are more active in sand than in clay

46.

Examine Graph A. What is the independent variable?

a)

distance

b)

time

47.

A new sunscreen has been developed that is supposed to prevent sunburn. 30 people spray one arm with the new formula and spray the other arm with the old formula. After 4 hours, they check for redness. What is the dependent variable?

a)

type of sunscreen

b)

people used

c)

time (4 hours)

d)

amount of redness

48.

A student wants to know if birds prefer to eat in one place over another. He makes three identical feeders and fills each with the same amount of mixed birdseed. He keeps the feeders out for 10 days before measuring how much seed is eaten from each feeder. He puts each of the feeders in a different location.
What is the independent variable?

a)

identical feeders

b)

placement of feeders

c)

amount of seeds eaten

d)

type of birds

49.

A researcher conducted an investigation to see if corn plants would grow taller if they received water at different temperatures. What is the independent variable?

a)

height of plant

b)

type of seeds

c)

water temperatures

d)

amount of water

50.

A study was done to see if different tire treads affect the distance it takes a car to brake.

What is the dependent variable?

a)

tire treads

b)

braking distance

c)

road conditions

d)

type of car

51.

An investigation found that more potatoes were produced on a farm that had more fertilizer in the soil.

What is the dependent variable?

a)

number of potatoes

b)

amount of fertilizer

c)

location of farm

d)

amount of soil

52.

Students measured the temperature of the water at different depths in Lake Erie and found that it varied. What was the independent variable?

a)

time

b)

depth of water

c)

temperature of water

d)

amount of water

53.

A gardener wants to determine the effect of using different amounts of fertilizer on the growth of grass. What is the independent variable?

a)

amount of fertilizer

b)

height of grass

c)

type of grass

d)

amount of water

54.

A students wants to determine if the amount of salt in the water has an effect on the amount breathing rate of a goldfish. What is the independent variable?

a)

how much salt is in the water

b)

temperature of water

c)

health of goldfish

d)

breathing rate of goldish

55.

A farmer wants to determine if using different types of pesticides changes the size of the apples in the orchard. What is the independent variable?

a)

amount of bugs left

b)

size of apples

c)

type of pesticides

d)

number of apples

56.

Does the length of the string on a pendulum change the number of swings it can do in 30 seconds? Identify the dependent variable.

a)

number of swings in 30 seconds

b)

weight of pendulum

c)

length of string

d)

time

57.

Which brand of paper towel will absorb the most liquid? Identify the dependent variable.

a)
brand of paper towel
b)

amount of liquid absorbed

c)

amount of paper towel used

d)

type of water

58.

What color light is best for growing taller plants? Identify the dependent variable.

a)

type of light

b)

height of plant

c)

amount of light

d)

amount of soil

59.
A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease." What is the dependent variable?
a)
amount of salt
b)
boiling point
c)

amount of water

d)

type of salt

60.

A researcher wants to know if the type of soap has an effect on how clean clothes get. What is the independent variable?

a)

type of soap

b)

how long the laundry takes

c)

amount of dirt on clothes

d)

amount of soap used

61.

If I add salt to my aquarium water, then my fish will eat more. This is an example of a(n)

a)

hypothesis

b)

control group

c)

independent variable

d)

problem/question

62.

In an experiment, a group on which a test is performed is a(n) ___ group.

a)

theoretical

b)

control

c)

hypothetical

d)

experimental

63.

In an experiment, a group on which a test is not performed is a(n) ___ group.

a)

theoretical

b)

control

c)

hypothetical

d)

experimental

64.

The purpose of a control group is

a)

to use it for comparison

b)

to use it for making a hypothesis

c)

to use it for identifying materials

d)

it is not needed

65.

The information you record during an experiment is called ___

a)
data
b)

a conclusion

c)

a hypothesis

d)

an inquiry

66.

Scientists record qualitative and quantitative observations using charts, tables, and graphs. This is what part of the scientific process?

a)

question/problem

b)

hypothesis

c)

data collection

d)

conclusion

67.

Two types of data scientists collect are

a)

hypothetical and theoretical

b)
qualitative and quantitative
c)
metric and standard measurements
d)

observed and inferred

68.

You need to collect ___ in your experiment to support or reject your hypothesis.

a)

all of these are correct

b)

materials

c)

theories

d)

data

69.

Along with the quantative data collected during an experiment, scientists can also collect data through ___.

a)

qualitative theories

b)

quantative explanations

c)

qualitative observations

d)

quantative observations

70.

The hypothesis, If protein is added to the diet then the mouse will gain more muscle, was supported. On average, the mice that received a protein diet has 47% more muscle than those who ate their normal diet. What part of the scientific process is this?

a)

data analysis

b)

conclusion

c)

problem/question

d)

procedure

71.

One 100mL graduated cylinder

400mL red cabbage juice

1 pipette

4 test tubes

a)

This is an example of a materials list.

b)

This is an example of a procedure for an experiment.

c)

This is an example of a data table.

d)

This is an example of a hypothesis.

72.

A microscope is a tool that

a)

makes faraway objects look closer

b)

makes small objects appear larger

c)

decreases the size of small objects

d)

increases the size of small objects

73.
You should always carry the microscope by the
a)
arm and base
b)
arm and body tube
c)
arm only
d)

base only

e)

objectives and eyepiece

74.
When looking at a specimen on your slide, you should always start with the
a)
low objective lens
b)
medium objective lens
c)
high objective lens
d)

revolving nosepiece

75.

The ___ focuses the image under low and medium power.

a)
revolving nosepiece
b)
fine adjustment knob
c)
coarse adjustment knob
d)

revolving nosepiece

76.

The ___ sharpens the image under high power

a)
the diaphragm
b)
fine adjustment knob
c)
coarse adjustment knob
d)
the ocular
77.

A light microscope that has more than one lens (ocular and objective) is called a(n)

a)
compound microscope
b)

double microscope

c)
electrical microscope
d)

telescopic microscope

78.

The higher the magnification, the

a)

more you see of the specimen

b)

less you see of the specimen

c)

same amount you see of the specimen

79.
You can find total magnification by which of the following methods?
a)

eyepiece added to the objective

b)

eyepiece multiplied by the objective

c)

ocular lens minus the objective

d)

ocular lens divided BY objective

80.

Which of the following do you never use when on high power?

a)

fine adjustment knob

b)

diaphragm

c)

coarse adjustment knob

d)

stage clips

81.

Identify the part of the microscope indicated by the arrow.

a)

eye piece

b)

ocular objective

c)

revolving nosepeice

d)

body tube

82.

Identify the part of the microscope indicated by the arrow.

a)

eye piece

b)

arm

c)

revolving nosepeice

d)

body tube

83.

Identify the part of the microscope indicated by the arrow.

a)

eye piece

b)

arm

c)

revolving nosepeice

d)

body tube

84.

Identify the part of the microscope indicated by the arrow.

a)

arm

b)

stage

c)

revolving nosepeice

d)

base

85.

Identify the part of the microscope indicated by the arrow.

a)

fine adjustment knob

b)

coarse adjustment knob

c)

revolving nosepeice

d)

objective lens

86.

Identify the part of the microscope indicated by the arrow.

a)

fine adjustment knob

b)

coarse adjustment knob

c)

revolving nosepeice

d)

objective lens

87.

Identify the part of the microscope indicated by the arrow.

a)

base

b)

light source

c)

revolving nosepeice

d)

objective lens

88.

Identify the part of the microscope indicated by the arrow.

a)

base

b)

light source

c)

revolving nosepeice

d)

objective lens

89.

Identify the part of the microscope indicated by the arrow.

a)

diaphragm

b)

light source

c)

revolving nosepeice

d)

objective lens

90.

Identify the part of the microscope indicated by the arrow.

a)

diaphragm

b)

light source

c)

revolving nosepeice

d)

objective lens

91.

Identify the part of the microscope indicated by the arrow.

a)

diaphragm

b)

body tube

c)

revolving nosepeice

d)

objective lens

92.

  1. The ___ is the part you look through to see the magnified specimen. It can magnify, ___.

a)

eye piece; 10x

b)

ocular lens; 4x

c)

objective lenses; 540x

d)

body tube; 20x

93.

  1. The ___ changes the amount of light reaching the specimen.

a)

diaphragm

b)

revolving nosepiece

c)

light source

d)

ocular adjuster

94.

  1. The ___ is located at the base of the microscope and provides illumination for the specimen.

a)

light

b)

revolving nosepiece

c)

objective lens

d)

eye piece

95.

  1. The ___ holds the slide in place and can be moved to adjust the view.

a)

stage clips

b)

stage

c)

diaphragm

d)

revolving nosepiece

96.

  1. The ___ supports the whole microscope and keeps it stable.

a)

base

b)

body tube

c)

diaphragm

d)

revolving nosepiece

97.

  1. The ___ lenses provide a magnification of 4x, 10x, or 40x.

a)

objective

b)

ocular

c)

body tube

98.

  1. The ___ is used to bring the specimen into focus by moving the stage up and down.

a)

coarse adjustment knob

b)

fine adjustment knob

c)

diaphragm

d)

revolving nosepiece

99.

  1. The ___ is the part of the microscope used to select different magnification levels.

a)

revolving nosepiece

b)

diaphragm

c)

body tube

d)

ocular adjuster

100.

  1. The ___ is the part of the microscope used to sharpen the focus.

a)

fine adjustment knob

b)

coarse adjustment knob

c)

revolving nosepiece

d)

diaphragm

101.

When you move the slide on the stage, it moves ___ you.

a)

opposite of

b)

in the same direction as

102.

On high power, you can see ___ of the specimen but in ___ detail.

a)

less; more

b)

more; less

c)

more; more

d)

less; less

103.

When working with living specimen

a)

you should adjust the diaphram to let in less light

b)

you should adjust the diaphram to let in more light

104.

Before you switch powers

a)

you need to focus and center your specimen

b)

you need to adjust the diaphragm

c)

you need to turn the microscope off

d)

you need to balance the amount of light

105.

The ___ is NEVER used on high power.

a)

coarse adjustment knob

b)

fine adjustment knob

c)

diaphragm

d)

light switch

106.

You are having trouble using a microscope. Only part of the field of view is lit. What can be done? Select all that apply.

a)

Check the revolving nosepeice

b)

Check the diaphragm

c)

Check the power sources

d)

Check the slide is in place

107.

What is the primary purpose of a control group in an experiment?

a)

To provide a standard for comparison

b)

To introduce new variables

c)

To ensure the experiment is valid

d)

To manipulate the independent variable

108.

Which of the following is a qualitative observation?

a)

The liquid is blue

b)

The mass is 50 grams

c)

The temperature is 25°C

d)

The volume is 100 mL

109.

What is the role of a hypothesis in scientific research?

a)

To provide a definitive answer

b)

To offer a testable prediction

c)

To summarize the results

d)

To collect data

110.

What are observations made using our five senses called?

a)

qualitative data

b)

quantitative data

111.

What are observations that are measured or counted called?

a)

qualitative data

b)

quantitative data

112.

The flower is 8 cm tall.

a)

qualitative data

b)

quantitative data

113.

The center of the flower is yellow and fuzzy.

a)

qualitative data

b)

quantitative data

114.

The flower has 25 petals.

a)

qualtitative data

b)

quantitative data

115.

The iris smells sweet.

a)

qualitative data

b)

quantitative data

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