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Unit 1 Nature of Science Test Review

Total questions: 45

Worksheet time: 1hrs 8mins

Name
Class
Date
1.

Observation or Inference: I think the weather is cold.

a)

Observation

b)

Inference

2.

Observation or Inference: I notice the tree by the pond has no leaves on it.

a)

Observation

b)

Inference

3.

The cat looks mad. He must be hangry.

a)

Observation

b)

Inference

4.

What is a test/independent variable?

a)

The variable that is changed/manipulated in the experiment

b)

The variable that is being observed/measured in the experiment

c)

Elements that are kept constant/unchanged in the experiment

5.

What is the dependent variable?

a)

The variable that is changed/manipulated in the experiment

b)

The variable that is being observed/measured in the experiment

c)

Elements that are kept constant/unchanged in the experiment

6.

What are the "constants" in an experiment?

a)

The variable that is changed/manipulated in the experiment

b)

The variable that is being observed/measured in the experiment

c)

Elements that are kept constant/unchanged in the experiment

7.

What is the test/independent variable in this experiment?

a)

The height of the plants

b)

The color of the lightbulbs

8.

What is the outcome/dependent variable in this experiment?

a)

The height of the plants

b)

The color of the light bulbs

9.

The variables in an experiment have a cause and effect relationship. Which variable is the "cause"?

a)

independent variable

b)

dependent variable

c)

controlled variable

10.

The variables in an experiment have a cause and effect relationship. Which variable is the "effect"?

a)

independent variable

b)

dependent variable

c)

controlled variable

11.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
a)
Diameter of the ball
b)
Force acting on the ball
c)
Height that the ball bounces
d)
Height from which the ball is dropped
12.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?
a)
Type of plant
b)
Water, apple juice, milk
c)
Plant growth
13.

Which of the following is an example of quantitative data?

a)

Observing

b)

Measurements

c)

Descriptions

14.

What part of the experiment changes as a result of the independent variable?

a)

The students

b)

The study time

c)

The grade on the quiz

15.

HYPOTHESIS: Does study time affect the student's score on an test?


Use the table to answer questions 5 and 6.


Suppose you collected this data from students in your school. What is the independent variable in the study?

a)

The Students

b)

The Study Time

c)

The Grade on the Quiz

16.
Scientists organize their data on ___________.
a)
white boards
b)
graphs and tables
c)
tablets
d)
internet
17.
How many more people have purple for a favorite color than red?
a)
3
b)
5
c)
7
d)
9
18.

The vertical axis of a line graph is called the __________.

a)

slope

b)

line of best fit

c)

x-axis

d)

y-axis

19.

The horizontal axis of a line graph is called the __________.

a)

slope

b)

line of best fit

c)

x-axis

d)

y-axis

20.

Which type of graph best represents data that shows a change over a period of time?

a)

line

b)

bar

c)

table

d)

circle

21.
Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?
a)
Type of gasoline
b)
which car the gas is put into
c)
how fast the car can drive
d)
how much gas is put into the car
22.
What type of graph is this?
a)
Line Graph
b)
Pictograph
c)
Bar Graph
d)
Histogram
23.
What type of graph is this?
a)
Line Graph
b)
Pictograph
c)
Bar Graph
d)
Histogram
24.
Which of the following would be considered quantitative data?
a)
Color
b)
Smell
c)
6.84 cm
d)
texture
25.

A meteorologist recorded high temperatures for five days at three locations on land. The data are shown in the table. Which statement correctly compares the beach temperature to the distance from the beach?

a)

Areas at the beach have the coolest temperatures

b)

Areas farther from the beach always have the warmest temperatures.

c)

Areas at the beach have the most stable temperatures.

d)

Areas farther from the beach always have the same weather as areas at the beach

26.

Researchers are developing a new fertilizer designed to improve the growth of endangered Hawaiian plants. The fertilizer was applied to one hundred plants in a greenhouse. The temperature, humidity and amount of water were kept constant. Which is best for the researchers to do next?

a)

A compare plants that received fertilizer plants that received none

b)

B begin selling the fertilizer to gardeners living in hot, dry climates

c)

C change the conditions in the greenhouse and retest the fertilizer

d)

D test the fertilizer on plants that are adapted to cooler climates

27.
Read this scientific instrument to the nearest tenth. 
a)
6.3 mL
b)
6.6 mm
c)

6.4 mL

d)
6.3 mm
28.
What is length?
a)
the amount of matter in an object
b)
the amount of space an object takes up
c)
the distance between two points
d)
the amount of stuff in an object
29.
What is mass?
a)
the distance between two points
b)
the amount of matter (stuff) in an object
c)
the amount of space an object takes up
d)
the distance between three points
30.
What units do we use to measure length?
a)
meters (m)
b)
milliliters (mL)
c)
grams (g)
d)
cubic centimeters (cm3)
31.
What units do we use to measure mass?
a)
milliliters (mL)
b)
liters (L)
c)
centimeters (cm)
d)
grams (g)
32.
Measure to the nearest milliliter.
a)
73 mL
b)
73.0 mL
c)
76 mL
d)
76.1 mL
33.

Which object has the highest density in this picture?

a)

A

b)

B

c)

C

34.

Which object has the lowest density in this picture?

a)

A

b)

B

c)

C

35.

What is the density of an object if it has a mass of 6g and a volume of 3cm3? (Hint: Density = mass/volume)

a)

6 g/cm3

b)

3 g/cm3

c)

2 g/cm3

d)

1/3 g/cm3

36.

You calculated the density of an unknown substance to be 7.8g/cm3. According to the chart, which of the substances doe you most likely have?

a)

Zinc

b)

Copper

c)

Tin

d)

Iron

37.

You calculated the density of an unknown substance to be 5.7g/cm3. According to the chart, which of the substances do you most likely have?

a)

Aluminum

b)

Iron

c)

Tin

d)

Zinc

38.

Which substance is the most dense in this picture?

a)

Vegetable Oil

b)

Dish Soap

c)

Honey

d)

Corn Syrup

39.

Compared to material A, material B has different...

a)

Density

b)

Mass

c)

Phase

d)

Shape

40.

Which of the following substances would float in water? (Hint: water has a density of 1g/cm3)

a)

gold

b)

rubber

c)

water

d)

cork

41.

Find the density of a 2 cm x 2 cm x 2 cm cube with a mass of 64 g. Remember to first find the volume (Length x Width x Height) then use the density formula (mass / volume)

a)
6 cm3
b)
12 g/cm3
c)
128 g/cm3
d)
8  g/cm3
42.
At 60 seconds, how far had this object traveled? 
a)
0 m
b)
10 m
c)
20 m
d)
40 m
43.
People buy more drinks on ____ than any other day.
a)
Monday
b)
Tuesday
c)
Thursday
d)
Friday
44.

What is the general trend of this line graph?

a)

The more you mow, the less money you make.

b)

You make the same amount of money regardless of how long you mow.

c)

The more you mow, the more money you make.

d)

Mowing is dangerous.

45.

Which runner stopped for a rest?

a)

Albert

b)

Bob

c)

Charlie

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