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E & S Unit 1 Review

Total questions: 50

Worksheet time: 31mins

Name
Class
Date
1.
What two types of measurements make up DENSITY? 
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
2.
Look at this image.  Which object has the LOWEST density in water? How? 
a)
The Ping Pong Ball because it floats to the top 
b)
The bolt because it has sunk to the bottom
c)
The soda cap because it is not just full of air like the Ping Pong ball
3.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
4.
What units can be used to express density?
a)
g/mL
b)
grams
c)
millimeters
d)
milliliters
5.
On which axis is the independent variable found?
a)
z-axis
b)
w-axis
c)
y-axis
d)
x-axis
6.
Which variable is found on the y-axis?
a)
Independent
b)
Manipulated
c)
Dependent
d)
Input
7.
What type of graph is this?
a)
Bar Graph
b)
Line Plot
c)
Pictograph
d)
Tally Chart
8.

The following graph is called a _______________

a)

Circle Graph

b)

Stem and Leaf Plot

c)

Disk Looking Thingymabob

d)

Cake Graph

9.
What is Mrs. Gordon's rate from 0 to 2 seconds?
a)
2.5 feet per second
b)
.4 feet per second
c)
5 feet per second
d)
.2 feet per second
10.
A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change? 
a)
200
b)
150
c)
300
d)
75
11.

A rocket is 1.5 miles above the Earth in 20 seconds and is 8 miles above the Earth in 2 minutes. What is the rocket's rate of change in miles per second?

a)

0.065 mps

b)

0.361 mps

c)

3.892 mps

d)

4.145 mps

12.

Which of the following is an accurate observation of the image?

a)

The Fish is red

b)

This is a Clown Fish

c)

The fish is swimming

d)

The fish has white stripes.

13.

Using your senses to gather information is called an _____?

a)

observation

b)

inference

c)

question

14.

Explaining or interpreting the observations is called _____?

a)

observation

b)

inference

c)

question

15.

It's December.

a)

Observation

b)

Inference

16.
There are 5 boys.
a)
Observation
b)
Inference
17.

Suppose your friends went to the beach at noon on a warm day. They saw some black and white birds. As you are talking to you friend you think "One friend’s name was Bob.". Is this an observation or an inference?

a)

observation

b)

inference

18.
What is an observation for this picture?
a)
The man is scared
b)
The man is going to get eaten
c)
There is a man in a kayak
d)
The man is paddling fast
19.

The attendance for the basketball game was estimated to be 15,000 people but 12,500 people attended. What was the percent error?

a)

16.67%

b)

20%

c)

2500%

d)

80%

20.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
21.
Jessie estimates the weight of her cat to be 8 pounds.  The actual weight of the cat was 10 pounds.  Find the percent error.  
a)
15%
b)
20%
c)
25%
d)
30%
22.
Which would be the most useful for identifying an unknown liquid?
a)
Weight
b)
volume
c)
mass
d)
density
23.
A student knows the mass of an object. What other variable does the student need to know to calculate the object's density?
a)
Color
b)
Weight
c)
Volume
d)
Length
24.
Convert from meters to cm:  9 meters
a)
900 cm
b)
90 cm
c)
0.9 cm
d)
0.09 cm
25.
Convert 17 m to cm:
a)
0.17 cm
b)
0.017 cm
c)
1,700 cm
d)
170 cm
26.
Convert 8 kilometers to meters
a)
800 m
b)
80,000 m
c)
8,000 m
d)
.008 m
27.

When using scientific notation, a negative exponent means ...

a)

the standard number is greater than one

b)

the standard number is less than one

c)

the negative sign doesn't have a meaning

d)

None of the above

28.

Convert this number into scientific notation: 0.068

a)

6.9 x 106

b)

6.8 x 10-9

c)

6.8 x 10-2

d)

None of the above

29.

When using scientific notation, a positive exponent means ...

a)

the standard number is greater than one

b)

the standard number is less than one

c)

the negative sign doesn't have a meaning

d)

None of the above

30.

Convert this number into scientific notation: 950,000

a)

9.5 x 105

b)

9.5 x 10-9

c)

9.5 x 102

d)

None of the above

31.

What what type of relationship is displayed in this graph?

a)

inverse (indirect) releationship

b)

direct relationship

c)

no relationship

d)

not applicable

32.
Why does ice float?
a)
As water freezes, it expands and its density decreases.
b)
As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.
c)
As water freezes, air becomes trapped between the hydrogen bonds of water molecules.
d)
As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.
33.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
34.
I have two objects with the same volume but different masses.  Which object will be more dense?
a)
The object with less weight.
b)
The object with more weight.
c)
The object with more mass.
d)
The object with less mass.
35.
Will an object with a density of 0.999 sink or float in water?
a)
sink
b)
float
36.
What is the volume of 150 grams of lead if it has a density of 11.3 g/cm3?
a)
13.3 g
b)
13.3 cm3
c)
.075 g
d)
1695 cm3
37.
In order to make an inference, you must have:
a)
Make observations with all senses
b)
Made 3 other observations
c)
Background knowledge
d)
A hypothesis in mind first
38.

Which of the following is NOT a characteristics of a hypothesis?

a)

Must be made with background knowledge

b)

Must be testable

c)

Must organizes the IV and DV

d)

Must always be correct

39.
In a hypothesis written in the "If, then" format, which variable comes first?
a)
Independent
b)
Dependent
40.
A good experiment will yield accurate results if it has:
a)
A really strong hypothesis
b)
Only one manipulated variable
c)
1 or 2 trials maximum
d)
Two separate responding variables.
41.
This variable in an experiment is the one being deliberately changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
42.
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, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
43.
A student wants to test the effects of type 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
44.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
45.
In what condition should the work areas should be kept? 
a)
As messy as you like - mess equals creativity.
b)
Clean and tidy at all times
c)
Clean and tidy if there is time, if not the next group will clean up.
d)
With all your books, laptops and art materials on them, in case they are needed.
46.
What does this symbol mean?
a)
hot object
b)
wind
c)
open flame
d)
apply water
47.
What Safety Symbol is this? 
a)
Electrical Safety
b)
Animal Safety
c)
Heat Protection
d)
Sharp Object Hazard
48.
What does this symbol mean 
a)
fire safety 
b)
eye protection safety 
c)
animal safety 
d)
extreme temperatures 
49.

You are heating a substance in a test tube. Always point the open end of the tube

a)

toward yourself

b)

toward your lab partner

c)

toward another classmate

d)

away from all people

50.
Long hair in the laboratory must be 
a)
tied back or kept entirely out of the way with a hair band, hairpins, or other confining device
b)
always neatly groomed
c)
held away from the experiment with one hand
d)
cut short

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