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Substances, Mixtures, and Atoms

Total questions: 28

Worksheet time: 9mins

Name
Class
Date
1.

Matter is anything that has ____________ and takes up ____________.

a)

atoms, energy

b)

mass, space

c)

minerals, volume

d)

mass, time

2.

Select the best representation of a heterogeneous mixture.

a)
b)
c)
d)
3.

A substance is...

a)

matter with the same composition

b)

something that makes up something else

c)

physically combined components

d)

only pure elements

4.

Which image represents an element?

a)
b)
c)
d)
5.

True or False: Mixtures can be separated by physical means.

a)

True

b)

False

6.

What type of mixture does this image show?

a)

homogeneous

b)

homozygous

c)

heterogeneous

d)

heterozygous

7.

___________ are the smallest unit of an element that maintains the properties of that element.

a)

Atoms

b)

Elements

c)

Compounds

d)

Mixtures

8.

Which image represents a compound?

a)
b)
c)
d)
9.

True or False: Water is considered a universal solvent.

a)

True

b)

False

10.

An _______________ is made up of one or more of the same kind of atom chemically combined.

a)

atom

b)

element

c)

molecule

d)

compound

11.

When you are making a Kool-aid solution, which one of the ingredients is considered the solute and why?

a)

The wooden spoon because it does the mixing.

b)

The water because it is dissolving the powder.

c)

The kool-aid powder because it is being dissolved.

d)

The kool-aid powder because it is in the largest volume.

12.
Where are electrons of an atom found?
a)
Nucleus
b)
Electron Cloud
c)
Some are in the nucleus and some in the electron cloud.
d)
They are moving everywhere.
13.

A ______________ is made up of different kinds of atoms chemically combined.

a)

element

b)

compound

c)

mixture

d)

molecule

14.

True or False: elements AND compounds are pure substances.

a)

True

b)

False

15.
All matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
16.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
17.

A _________________ mixture is one where the substances are evenly spread throughout.

a)

heterogeneous

b)

homogeneous

c)

pure substance

18.

In a ______________, one substance is dissolved in another substance.

a)

solution

b)

suspension

c)

colloid

19.

Fruit Loops, pizza, and Skittles are examples of ____________________ mixtures.

a)

heterogeneous

b)

homogeneous

c)

pure

20.
The particles that are found in the nucleus of an atom are
a)
neutrons and electrons
b)
electrons only
c)
protons and neutrons
d)
protons and electrons
21.
What is at the center of every atom?
a)
an electron
b)
a compound
c)
a molecule
d)
a nucleus
22.
True or False? Neutrons have a negative charge
a)
True
b)
False
23.
Particles in an atom that are neutral and have no charge are 
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
24.
Which of the following is a negatively charged subatomic particle?
a)
Electron
b)
Proton
c)
Neutron
d)
Quark
25.
Milk is a 
a)
solution
b)
suspension
c)
colloid
26.

A snow globe would be an example of a __________________.

a)

colloid

b)

solution

c)

suspension

27.

The substance that dissolves the solute is called the

a)

solution

b)

solvent

c)

saturation

d)

colloid

28.
Which are different types of mixtures
a)
suspension
b)
solution
c)
colloid
d)
all the above