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1st 9 Weeks Review

Total questions: 55

Worksheet time: 55mins

Name
Class
Date
1.

Both elements and compounds are pure substances.

a)

Agree

b)

Disagree

2.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
3.
Water (H2O) freezing is an example of:
a)
A chemical change
b)
A physical change
4.
A compound consists of two or more elements bound together.
a)
True
b)
False
5.
Is Iron (Fe) an element or a compound?
a)
Element
b)
Compound
6.
You drop two Alka-Seltzer tablets in a glass of water and immediately see bubbles coming up through the water. They probably indicate:
a)
A change of color
b)
Formation of a gas
c)
A change in temperature
d)
Formation of a precipitate
7.
A chemical change always results in the formation of a:
a)
explosion
b)
big mess
c)
new substance
d)
new state of matter
8.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
9.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
10.
a)
Physical Change
b)
Chemical Change
11.
a)
Physical Change
b)
Chemical Change
12.
a)
Physical Change
b)
Chemical Change
13.

What happens when a new substance is produced during a reaction?

a)

physical change

b)

chemical change

14.

Which change describes a substance that changes shape, form, or appearance but is still the same substance?

a)

physical change

b)

chemical change

15.

The smallest particles of matter are called

a)

neutrons

b)

atoms

c)

electrons

d)

protons

16.

Which elements are to the right of the zig zag?

a)

metals

b)

nonmetals

c)

metalloids

17.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
18.
Which of these grouping of elements could have the characteristic of brittle?
a)
Metal
b)
Nonmetal
19.
Which of the following is a good conductor of heat?
a)
Metal
b)
Nonmetal
c)
Metalloid
20.
Some characteristics of a metal are that it is malleable and ductile.
a)
TRUE
b)
FALSE
21.
Iron is a good conductor, malleable and magnetic. What type of element is Iron? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
22.
Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
23.

-The color of the powder left behind when you rub the mineral against a tile.

a)

streak

b)

color

c)

harness

d)

luster

24.
  • the way a mineral's surface reflects light.
a)

streak

b)

luster

c)

color

d)

hardness

25.
  • a mineral's ability to resist being scratched
a)

streak

b)

luster

c)

color

d)

hardness

26.

-the name of the scale used to determine a mineral's hardness.

a)

Miller's scale of hardness

b)

The Scale of Hardness

c)

Mohs scale of hardness

d)

Mineral Hardness Scale

27.
The way a surface (of a mineral) reflect light. Either metallic or nonmetallic:
a)
Cleavage
b)
Streak
c)
Luster
d)
Reflection
28.

How many atoms of sulfur are in each molecule of H2SO4?

a)

1

b)

4

c)

2

d)

7

29.

How many atoms of carbon are in a molecule of vinyl chloride (C2H3Cl)?

a)

1

b)

3

c)

6

d)

2

30.

Which elements are in the formula shown above?

a)

Cobalt only

b)

Carbon and Oxygen

c)

Copper only

d)

Carbon and Osmium

31.
Which type of energy increases when you compress a spring?
a)
elastic potential energy
b)
kinetic energy
c)
radiant energy
d)
sound energy
32.

Energy stored because of gravity is called:

a)

Gravitational Potential Energy

b)

Kinetic Energy

c)

Mechanical Advantage

d)

Chemical Energy

33.
Wood, batteries, gasoline, and  food are all examples of ________________________.
a)
gravitational potential energy
b)
elastic potential energy
c)
chemical potential energy
d)
None of the above
34.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
35.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
36.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
37.
What kind of energy is in flowerpot sitting on a windowsill?
a)
Potential
b)
Kinetic
38.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
39.
Can energy be destroyed?
a)
no
b)
yes
40.
Can energy be changed?
a)
yes
b)
no
41.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
42.

energy of motion

a)

kinetic energy

b)

potential energy

c)

movement

d)

work

43.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
44.
Solar Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
45.
Some students observing a classroom device being used, noticed the below energy transformations. 
Electrical → Mechanical → Sound
Which device were the students most likely observing?
a)
A triple beam balance measuring an object’s mass.
b)
A pencil sharpener plugged into a wall outlet.
c)
A projector displaying a diagram on the screen.
d)
A working flashlight used to light up a dark corner.
46.
Which of these is an example of light energy being transformed into chemical energy?
a)
A glow stick lights up when broken.
b)
Water heated by the sun evaporates.
c)
A plant makes sugar in the sunlight.
d)
A battery causes a buzzer to vibrate.
47.
A lamp that plugs into a wall socket draws energy which flows through a thin wire in the bulb causing it to glow. What energy transformations are taking place?
a)
chemical → light → electrical
b)
mechanical → sound → light
c)
thermal → solar → electrical
d)
electrical → thermal → light
48.
Which items would have this energy transformation: chemical energy -> mechanical energy?
a)
person running
b)
candle burning
c)
windmill turning
d)
playing a violin
49.

A force has both strength and _____.

a)

power

b)

direction

c)

color

d)

balance

50.
A ____________ is a push or a pull on an object.
a)
friction
b)
force
c)
magnet
d)
gravity
51.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
52.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
53.
What two types of measurements make up DENSITY? 
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
54.
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
55.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3

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