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1st Nine Week Science Exam

Total questions: 40

Worksheet time: 23mins

Name
Class
Date
1.

What is energy?

a)

Force

b)

The ability to do work

c)

Electricity

d)

The ability to transform work

2.

 

Which type of energy is best seen in the picture?

a)

Chemical

b)

Sound

c)

Electrical

d)

Radiant

3.

Which type of energy is shown?

a)

Sound

b)

Radiant

c)

Mechanical

4.

What type of energy is seen here?

a)

Sound

b)

Nuclear

c)

Thermal

d)

Mechanical

5.

Which of the following changes electrical energy into radiant (light) and sound energy?

a)

battery

b)

alarm clock

c)

light bulb

d)

apple

6.

The is the energy due to the splitting of atoms. 

a)

Thermal

b)

Mechanical

c)

Nuclear

d)

Radiant

7.

What type of energy do we use to cook food?

a)

Radiant

b)

Electrical

c)

Nuclear

d)

Thermal

8.

This is the energy of vibrating molecules that move through matter. 

a)

sound

b)

thermal

c)

nuclear

d)

radiant

9.

Sound energy is produced when an object __________.

a)

moves

b)

heats up

c)

vibrates

d)

falls

10.

Which type of energy is produced when the handle of a pencil sharpener turns?

a)

Radiant

b)

Electrical

c)

Mechanical

d)

Thermal

11.
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
12.
When water falls through a dam and turns a turbine connected to a generator, electricity is produced. This electricity is often used to light our homes and offices. Which of the following shows the energy transformations that occurs?
a)
electrical → light → mechanical
b)
chemical → mechanical → electrical
c)
mechanical → chemical → light
d)
mechanical → electrical → light
13.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place
14.

Photosynthesis goes through two energy transformations. What are the transformations?

a)

radiant

chemical

b)

chemical

radiant

c)

electrical

nuclear

d)

radiant

sound

15.
The diagram shows a circuit with the bulb glowing. How does the energy change as it moves from inside the battery, along the wires, and through the light bulb?
a)
electrical → light → chemical
b)
light → electrical → chemical
c)
chemical → electrical → light
d)
chemical → light → electrical
16.

When water falls through a dam and turns a turbine connected to a generator, electricity is produced. The electricity is used to light a home. Which shows the energy transformation?

a)

electrical➡light➡mechanical

b)

chemical➡mechanical➡electrical

c)

mechanical➡chemical➡light

d)

mechanical➡electrical➡light

17.

A solid is a state of matter that has a(n)

a)

indefinite volume and indefinite shape

b)

definite volume and a definite shape

c)

definite volume and an indefinite shape

d)

indefinite volume and a definite shape

18.
In which state of matter are particles packed tightly together in fixed positions?
a)
gas 
b)
solid
c)
liquid
d)
plasma
19.
Particles of a liquid
a)
are tightly packed together and stay in a fixed position
b)
have no viscosity
c)
decrease in volume with increasing temperature
d)
are free to move in a container but are in close contact with one another
20.
In which state of matter do particles spread apart and fill all the space available to them? 
a)
crystal
b)
liquid
c)
gas
d)
solid
21.
The amount of space that a gas takes up is its
a)
volume
b)
mass
c)
pressure
d)
density
22.

substance that cannot be broken down into a simpler substance

a)

chemical

b)

element

c)

compound

d)

mixture

23.

basic particle from which all elements are made

a)

atom

b)

molecule

c)

element

d)

compound

24.

group of two or more atoms held together by chemical bonds

a)

atom

b)

molecule

c)

chemical bond

d)

compound

25.

substance made of two or more elements that are chemically combined is a set ratio

a)

compound

b)

chemical formula

c)

molecule

d)

atom

26.

A type of mixture where you can see the different parts and they can easily be separated into their different parts.

a)

atomic mixture

b)

Compound mixture

c)

Heterogeneous mixture

d)

Homogeneous mixture

27.

A _________ is made of two or more substances that are together in the same place but their atoms are NOT chemically bonded.

a)

compound

b)

mixture

c)

substance

d)

filtration

28.

A type of mixture that you can't see the different parts.

a)

Homogeneous mixture

b)

Heterogeneous mixture

c)

Compound

d)

distillation

29.

_____ describes the way something feels, looks, tastes, smells, etc.

a)

physical properties

b)

chemical properties

c)

compounds

d)

elements

30.

What is the difference between an element and a compound?

a)

Elements are made of more than one atom.

b)

Compounds have uniform composition.

c)

Compounds are made of more than one type of atom.

d)

Only elements are pure substances.

31.

The vertical (up and down) columns in the Periodic Table are called

a)

groups

b)

towers

c)

periods

d)

atomic numbers

32.

the positively charged subatomic particle contained in the nucleus of an atom

a)

proton

b)

neutron

c)

electron

d)

matter

33.

a negatively charged subatomic particle that orbits the nucleus of an atom

a)

proton

b)

neutron

c)

electron

d)

matter

34.

What does the atomic mass tell you?

a)

Basically,the number of electrons and protons

b)

The number of neutrons

c)

Basically, the number of protons and neutrons

d)

The number of protons.

35.
What does the 6 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
36.

Elements which are shiny, conduct electricity and heat are called

a)

metal

b)

nonmetal

c)

metalloid

d)

nonexistent

37.
The atomic number of this pictured element is
a)
28
b)
58.6934
c)
Ni
d)
Nickel
38.
What is the chemical symbol for Lithium?
a)
H
b)
He
c)
Li
d)
N
39.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
40.

All _________ are semiconductors.

a)

metals

b)

metalloids

c)

nonmetals

d)

gases

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