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Science Final Review

Total questions: 91

Worksheet time: 3hrs 25mins

Name
Class
Date
1.

All objects around you are made of matter. The three states of matter are ______________.

a)

solid, liquid, atom

b)

solid, liquid, gas

c)

solid, liquid, particle

2.

Matter is anything that takes up _____________ and has mass.

a)

space

b)

time

c)

particles

3.

Solids have a definite _____________________.

a)

shape, mass and volume

b)

size, but not mass and volume

c)

mass, but not shape and volume

4.

Liquids do not have a definite shape , but have a definite _________ and _______________.

a)

mass, shape and volume

b)

volume and shape

c)

mass and volume

5.

Gases do not have a definite ____________ or ____________.

a)

mass or shape

b)

volume or mass

c)

atom or particle

6.

Scientists classify all of the known elements into the __________________.

a)

Periodic Table of Elements

b)

Three States of Matter

c)

Structure of an Atom

7.

Atoms are made up of three particles:

a)

protons

b)

electrons

c)

neutrons

d)

All of the above.

8.

The protons and neutrons make up the __________________ (found in the center of the atom).

a)

atom

b)

nucleus

c)

liquid

9.

The __________________________move at a high speed around the outside of the nucleus.

a)

neutrons

b)

electrons

c)

protons

10.

In the Periodic Table of Elements, elements are listed by their ______________________.

a)

periods

b)

metals

c)

atomic number

11.

Most of the known elements are __________________, which make up 75% of the Table.

a)

metals

b)

nonmetals

c)

metalloids

12.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
13.
A gas
a)
has a definite shape but no definite volume
b)
has a definite volume but no definite shape
c)
has fast-moving particles
14.
Which state of matter has tightly packed molecules?
a)
solid
b)
liquid
c)
gas
15.
Which state of matter has a definite shape?
a)
solid
b)
liquid
c)
gas
16.
The state of matter that has no definite size or shape is
a)
Solid
b)
Liquid
c)
Gas
17.
Particles (molecules) in a ______________________ have more energy than the other states of matter.
a)
gas
b)
solid
c)
liquid
18.
The speed of the molecules determines the _____.
a)
volume
b)
density
c)
pressure
d)
temperature
19.
The slower the particles in a substance move,
a)
the colder it is.
b)
the warmer it is.
c)
the more energy it has.
d)
the less energy it has.
20.
Thermal energy is...
a)
heat energy.
b)
the energy of motion
c)
energy of nuclear processes.
d)
an indication of physical change.
21.
What are the states of matter?
a)
solid, liquid, and juice
b)
solid and liquid
c)
solid and gas
d)
solid, liquid, and gas
22.

Which form of matter has a definite shape and takes up space (has definite volume)?

a)

liquid

b)

solid

c)

gas

d)

clay

23.
Which form of matter take the shape of a container like this juice?
a)
liquid
b)
solid
c)
glass
d)
gas
24.
Which form of matter fills the space like it has in the balloon?
a)
liquid
b)
string
c)
solid
d)
gas
25.
How many states of matter have we learned about?
a)
4
b)
1
c)
3
d)
2
26.
Water can be a solid, liquid, and a gas.
a)
True
b)
False
liquid
27.
What does this picture represent? 
a)
solid
b)
liquid
c)
gas
d)
plasma
28.
What does this picture represent? 
a)
solid
b)
liquid 
c)
gas
d)
plasma
29.
The milk in the glass has volume and takes the shape of its container. Therefore, it is assumed that milk is a ______________.
a)
solid
b)
liquid
c)
gas
d)
plasma
30.
The molecules in the picture are tightly held together with little movement. They have shape and energy.  Therefore, the picture represents _________.
a)
solid
b)
liquid
c)
gas
d)
plasma
31.
The steam coming off the pot of boiling water is an example of....
a)
a solid becoming a liquid
b)
a liquid becoming a solid
c)
a liquid becoming a gas
d)
a gas becoming a liquid
32.
Which state of matter does ice start as (before you cool it)?
a)
liquid
b)
solid
c)
gas
33.
On a hot summer day chocolate candy can melt in your pocket.  How can you get the chocolate to return to a solid?
a)
add heat
b)
leave it in your pocket
c)
cool it in the refrigerator
d)
leave it outside
34.
True or False: Matter can changes states by adding heat or cooling.
a)
True
b)
False
35.
Which state of matter has particles arranged like this?
a)
solid
b)
liquid
c)
gas
36.
Which state of matter has particles arranged like this?
a)
solid
b)
liquid
c)
gas
37.
Which state of matter has particles arranged like this?
a)
solid
b)
liquid
c)
gas
38.
Air is an example of a
a)
solid
b)
liquid
c)
gas
39.
Wood is an example of a
a)
solid
b)
liquid
c)
gas
40.
Oil is an example of a
a)
solid
b)
liquid
c)
gas
41.
Machines make a job easier.
a)
True 
b)
False
42.
Identify this simple machine
a)
Lever
b)
Wheel & Axle
c)
Inclined Plane
d)
Screw
43.
The device used to raise a flag up a flag pole is an example of a 
a)
wheel and axle 
b)
lever
c)
inclined plane 
d)
pulley 
44.
What do you call a machine made up of two or more simple machines?
a)
complicated machine
b)
compound or complex machine
c)
comprehensive machine
d)
constructive machine
45.
An inclined plane wrapped around a rod forms this simple machine 
a)
lever
b)
pulley
c)
screw
d)
wedge 
46.
A simple machine that consists a rigid bar that pivot about a fixed point
a)
lever
b)
pulley
c)
wheel and axle
d)
fulcrum 
47.
An axe is an example of a
a)
pulley
b)
inclined plane
c)
screw
d)
wedge 
48.
A seesaw is an example of a  
a)
wedge
b)
lever 
c)
inclined plane 
d)
pulley 
49.
A device that has two or more simple machines working together 
a)
fulcrum 
b)
pulley
c)
compound (complex) machine 
d)
motor 
50.
Stairs
a)
wedge
b)
pulley
c)
inclined plane
d)
wheel and axle
51.
Lightbulb
a)
wedge
b)
pulley
c)
incline plane
d)
screw
52.
Which is not a type of simple machine?
a)
spring
b)
screw
c)
pulley
d)
wedge
53.
What type of simple machine is found on the cap of a pickle jar?
a)
lever
b)
inclined plane
c)
pulley
d)
screw
54.
This device
a)
wedge
b)
lever
c)
incline plane
d)
wheel and axle
55.
What type of simple machine is this?
a)
wheel and axle
b)
gear
c)
lever
d)
inclined plane
56.
What is an example of an inclined plane?
a)
crane
b)
slide
c)
bike
d)
see-saw
57.
What is an example of a wheel and axle?
a)
ax
b)
light bulb
c)
skateboard ramp
d)
bus tire
58.
What is an example of a pulley?
a)
slide
b)
flag pole
c)
ax
d)
chapstick
59.
What is an example of a screw?
a)
arm
b)
ax
c)
light bulb
d)
ramp
60.
What is a simple machine?
a)
stiff bar that rests on a fulcrum
b)
means attracted to a magnet
c)
an inclined plane that is wrapped around an axle
d)
a machine with few or no moving parts
61.
What is a machine?
a)
Mrs. Herman
b)
Ms. Putirskis
c)
Mrs. Brose
d)
a tool that makes work easier
62.
What makes a bike stop rolling?
a)
unbalanced forces
b)
pumpkins
c)
Friction
d)
effort force
63.
What grade do you want on this test?
a)
c
b)
a
c)
b
d)
d
64.
Flagpole
a)
wedge
b)
pulley
c)
incline plane
d)
wheel and axle
65.
This device
a)
wedge
b)
lever
c)
incline plane
d)
wheel and axle
66.
Name this simple machine.
a)
Lever
b)
Wedge
c)
Pulley
d)
Inclined Plane
67.
Name this simple machine. 
a)
Wheel and Axle
b)
Lever
c)
Pulley
d)
Wedge
68.
Name this simple machine. 
a)
Wheel and Axle
b)
Lever
c)
Pulley
d)
Wedge
69.
Name this simple machine. 
a)
Inclined Plane
b)
Lever
c)
Pulley
d)
Wedge
70.
Name this simple machine. 
a)
Screw
b)
Lever
c)
Pulley
d)
Wedge
71.
What simple machine would you use to chop down a tree?
a)
wedge
b)
pulley
c)
wheel and axle
72.
What simple machine would you use to hold two boards together?
a)
lever
b)
screw
c)
wedge
73.
What is this an example of?
a)
pulley
b)
lever
c)
inclined plane
d)
wheel and axle
74.
A force is a _________ or ________ that acts on an object.
a)
hot, cold
b)
push, pull
c)
temperature, mass
75.
What simple machine is pictured?
a)
inclined plane
b)
screw
c)
wedge
76.
A push or pull is a 
a)
load
b)
fulcrum
c)
force
d)
work
77.

A chemical reaction where more energy is given off than taken in is called _______________________.

a)

exothermic

b)

endothermic

78.

A chemical reaction where more energy is taken in or absorbed than given off is called ________________.

a)

exothermic

b)

endothermic

79.

When dipped in an acid, blue litmus paper will …

a)

Turn reddish

b)

Stay blue

80.

When dipped in a base, red litmus paper will…

a)

Stay the same

b)

Turn blue

81.

Aluminum foil is cut in half:

a)

physical change

b)

chemical change

82.

Milk goes sour:

a)

physical change

b)

chemical change

83.

Rust forms on a nail outside:

a)

physical change

b)

chemical change

84.

A juice box freezes in the freezer:

a)

physical change

b)

chemical change

85.

You rip a piece of paper into tiny pieces:

a)

physical change

b)

chemical change

86.
 Which of the following is an acid?
a)
shampoo
b)
baking soda
c)
orange juice
d)
water
87.
Many cleaning solutions are bases. Which of the following is a property of most bases?
a)
feels slippery
b)
white color
c)
can only be liquid
d)
tastes sour
88.
Tastes bitter.
a)
Acids
b)
Bases
c)
Salts
d)
All
89.
Which food is the most acidic?
a)
bananas
b)
lemon juice
c)
orange juice
90.
Bleach is a strong base, what is the pH level of bleach?
a)
13
b)
14
c)
1
d)
2
91.
Pollution causes the pH of rain water fall below 6. What is such type of rain called?
a)
Acid rain
b)
polluted rain
c)
low pH rain

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