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7th Grade Fall EOC Review

Total questions: 40

Worksheet time: 28mins

Name
Class
Date
1.

The independent variable is

a)

the part the scientist measures

b)

the part the scientist changes or is testing

c)

a letter

2.

The dependent variable is the part

a)

the letter in the equation

b)

the part being changed

c)

the part being measured

3.
Mrs. Goodwyn wants to see if studying time affects test scores...She gives all 6 classes the same assignment but assigns different study times. What is the constant?
a)
Study  Times
b)
Test Scores
c)
Same Assignment
4.
Mrs. Goodwyn wants to see if studying time affects test scores...She gives all 6 classes the same assignment but assigns different study times. What is the independent variable?
a)
Study time
b)
Test score
c)
Same assignment
5.
Mrs. Goodwyn wants to see if studying time affects test scores...She gives all 6 classes the same assignment but assigns different study times. What is the dependent variable?
a)
Study  time
b)
Test Score
c)
Same Assignment
6.

What is a hypothesis?

a)

the thing changed on purpose in the experiment

b)

an explanation about what you observed

c)

using your 5 senses to gather data

d)

an educated guess about the outcome of an experiment

7.

What was the temperature of the liquid in the Styrofoam container at 4:00?

a)

55 degrees

b)

68 degrees

c)

73 degrees

d)

63 degrees

8.
What is the dependent variable?
a)
Grade
b)
Number of Students
9.
What is the independent variable?
a)
Subject
b)
Students
10.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
11.
the central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
12.
Particles in an atom that are neutral and have no charge are 
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
13.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
14.
What charge does an Electron have?
a)
Negative
b)
Positive
c)
Neutral
d)
Complicated
15.
Atoms have no electric charge because they...
a)
have an equal number of charged and non charged particles
b)
have neutrons in their nuclei
c)
have an equal number of electrons and protons
d)
have an equal number of neutrons and protons
16.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
17.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
18.
Bonds between atoms in a molecule form as a result of the sharing  of?
a)
formulas
b)
electrons
c)
atoms
d)
chemicals
19.
What is a molecule?
a)
Two or more atoms bonded together
b)
One element
c)
One atom
d)
Solid, Liquid, Gas
20.
What are the states of matter?
a)
Solid, Liquid, Water
b)
Solid, Liquid, Gas
c)
Melting, Freezing, Condensing, Evaporating
d)
Water and Liquid
21.
What is main reason for phase changing of states of matter?
a)
Color
b)
Elements
c)
Temperature
d)
Water
22.
What is the state of matter that has an infinite shape and definite volume?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
23.
If the puddle outside your door has disappeared in one day...
a)
It was cold outside
b)
It was hot outside
24.
What is main reason for phase changing of states of matter?
a)
Color
b)
Elements
c)
Temperature
d)
Water
25.

Has its own shape

a)

Gas

b)

Solid

c)

LIquid

26.
Sublimation is
a)
when solid turns into gas
b)
when gas turns into plasma
c)
when liquid turns into gas
d)
when gas turns into solid
27.
If the tops were removed from the cylinders, the following would happen:
a)
The solid would fly out of the container
b)
The liquid would fly out of the container.
c)
The gas would fly out of the container.
d)
They ALL would fly out of the container.
28.

How many Carbons are present on the reactant side?

a)

1

b)

2

c)

3

d)

4

29.

In a chemical reaction, if the reactants are heated, the reaction usually happens

a)

slower

b)

faster

c)

at the same rate

d)

in a smaller volume

30.

The process by which one or more substances change to produce one or more different substances

a)

Chemical Process

b)

Reactant

c)

Chemical Reaction

31.

A substance produced during a chemical reaction

a)

Product

b)

Reactant

c)

Properties

32.

A substance that takes part in and undergoes change during a reaction

a)

Product

b)

Molecule

c)

Reactant

33.

A chemical reaction or process that absorbs heat from the surroundings

a)

Endothermic

b)

Exothermic

34.

A chemical reaction or process that releases heat.

a)

Endothermic

b)

Exothermic

35.

Photosynthesis takes place in the

a)

mitochondria

b)

chloroplast

c)

nucleus

d)

cytoplasm

36.

cellular respiration takes place in the

a)

mitochondria

b)

chloroplast

c)

nucleus

d)

cytoplasm

37.
Why do plants conduct photosynthesis?
a)
To make light
b)
To make mitochondria
c)
To make glucose
d)
To release carbon dioxide
38.
Which of these conditions would decrease the rate of photosynthesis in a plant?
a)
Above average precipitation
b)
Changing the daylight hours from 14 hrs to 10 hrs
c)
Changing the CO2 concentration from 380 ppm to 410 ppm
d)
All of these choices
39.
The purpose of cellular respiration is to 
a)
make water
b)
make ATP
c)
make glucose
d)
make  oxygen
40.
In which way are photosynthesis and cellular respiration different?
a)
Cellular respiration stores ATP, while photosynthesis releases ATP.
b)
Cellular respiration produces oxygen, while photosynthesis uses oxygen.
c)
Photosynthesis releases energy, while cellular respiration stores energy.
d)
Photosynthesis uses carbon dioxide, while cellular respiration produces carbon dioxide.

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