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S8P1 and S8P2 Review - Fall 2022

Total questions: 30

Worksheet time: 3hrs 34mins

Name
Class
Date
1.
Which state of matter has molecules that vibrate the most?
a)
solid 
b)
liquid
c)
gas
2.
Which statement is true?
a)
Oil is the most dense substance.
b)
Corn syrup is less dense than water.
c)
Oil is less dense than water.
d)
Oil and corn syrup have the same density but different masses.
3.
A molecule is________
a)
a glob of gelatinous goo
b)
smaller than an atom
c)
filled with raisons
d)
more than one atom bonded together
4.
Characteristic of a substance that can be  observed without changing it chemically, such as size, shape, density, and phase.
a)
Physical property 
b)
turtle 
c)
Physical change 
d)
Chemical property
5.
How many Hydrogen (H) atoms are in NH3O5
a)
3
b)
4
c)
5
d)
1
6.
In the equation,          2Mg + O2 ---> 2MgO, which are the reactants?
a)
Mg and O
b)
MgO
c)
Mg and MgO
d)
O and MgO
7.
Of these mixtures, which one is a solution? (S8P1a)
a)
A
b)
B
c)
C
d)
D
8.
What is a homogeneous mixture? (S8P1a)
a)
a mixture that is the same throughout.
b)
a mixture that is made up of one type of atom.
c)
a mixture that is made up of one type of compound
d)
a mixture that cannot be separated through physical changes
9.
Define a liquid. (S8P1b)
a)
Indefinite shape, indefinite volume
b)
Definite shape, definite volume
c)
Found in stars
d)
Definite volume, indefinite shape
10.
What is happening at "D" on the graph? (S8P1c)
a)
Water is boiling
b)
water is evaporating
c)
water is melting
d)
the sublimation of water
11.
Is milk going sour a physical or chemical change? (S8P1d)
a)
Physical 
b)
Chemical
12.
what happens when water freezes?(S8P1d)
a)
ice is formed; chemical property
b)
cold water is formed; physical change
c)
ice is formed; physical change
d)
cold water is formed; chemical change
13.
What is the number of protons that the element in this image contain? (S8P1e)
a)
14
b)
7
c)
15
d)
18
14.
the central region of an atom where its neutrons and protons are is its  (S8P1e)
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
15.
What is the part of the chemical equation in green called? (S8P1f)
Fe + S --> FeS
a)
products
b)
reactants
c)
yield
d)
chemical formula
16.
Balance this equation...
HgO --> 2Hg + O2    (S8P1f)
a)
It is balanced 
b)
2HgO --> Hg + O2
c)
2HgO --> 2Hg + O2
17.
At which point is potential energy greatest? (S8P2a)
a)
W
b)
X
c)
Y
d)
Z
18.
2. The diagram to the right represents a diver’s motion from the top of a high diving board into a pool of water. At what point does the diver have the greatest kinetic energy and the least potential energy? (S8P2a)
a)
1
b)
2
c)
3
d)
4
19.
What kind of energy is in a stretched rubber band? (S8P2b)
a)
Potential
b)
Kinetic
20.
A battery converts what type of energy to another? (S8P2c)
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
21.
Warm air rises and the cool air sinks demonstrates this type of heat transfer. (S8P2d)
a)
conduction
b)
convection
c)
radiation
d)
Insolation 
22.
Which situation best represents conduction? (S8P2d)
a)
Heat from a campfire
b)
A hot air balloon taking off
c)
Touching a hot piece of metal
d)
Getting sunburned
23.
Vertical columns in the periodic table are called _________ of elements and have similar properties. 
a)
groups
b)
periods
24.

What energy changes are taking place as the boy rides the bike.

a)

Riding uphill, the boy's work is converted into kinetic energy; riding on level ground, his work is converted into magnetic energy.

b)

Riding uphill, the boy's work is converted into potential energy; riding on level ground, his work is converted into kinetic energy.

c)

Riding uphill, the boy's work is converted into magnetic energy; riding on level ground, his work is converted into thermal energy.

d)

Riding uphill, the boy's work is converted into thermal energy; riding on level ground, his work is converted into potential energy.

25.

Fill in the blank. Between ball B and Ball C, ball __________ has LESS potential energy because ____________.

a)

C; its mass is greater

b)

B; its mass is greater

c)

C; its mass is smaller

d)

B; its mass is smaller

26.

What energy transformation is happenings between point X and point Y?

a)

Kinetic changes to potential, then some potential changes to thermal.

b)

Potential changes to kinetic, then some kinetic changes to potential.

c)

Kinetic changes to potential, then some potential changes to kinetic.

d)

Thermal changes to potential, then some potential changes to thermal.

27.

Michael draws an atomic model for the element neon (Ne) using information from the periodic table. How many protons and electrons does he include in his model?

a)

twenty protons and twenty electrons

b)

seven protons and seven electrons

c)

ten protons and twenty electrons

d)

ten protons and ten electrons

28.

Ethan makes the table below to record his observations when mixing baking soda and vinegar in a beaker.

Ethan claims that a chemical change has occurred. Which statement provides the BEST evidence to support his claim?

a)

All of the solid disappeared after mixing.

b)

The remaining solid settled after mixing.

c)

The liquid remained clear after mixing.

d)

Many bubbles formed after mixing.

29.

This is an example of

a)

a pure substance

b)

a heterogenous mixture

c)

a homogenous mixture

d)

an element

30.

Which boxes contain Pure substances?

a)

Only box C

b)

Boxes C, F and I

c)

Boxes A, D and I

d)

Boxes A, C, D and I

e)

Boxes B, E, G, H

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