WorksheetsMatter and Energy Pre-Test
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
The diagrams below represent the arrangement of molecules in matter. Which diagram best represents a solid?
a)
1
b)
2
c)
3
d)
4
2.
Danny stirred a spoonful of honey into his tea. After a few seconds the honey could no longer be seen in the tea. Which of the following best describes what happened?
a)
The honey evaporated out of the tea.
b)
The tea dissolved the honey.
c)
The tea and honey underwent a chemical reaction.
d)
The honey absorbed most of the tea.
3.
Soil is a:
a)
Homogeneous mixture
b)
Heterogeneous mixture
4.
The specific temperature at which a substance begins to change state from a liquid to a solid is called the:
a)
Melting point.
b)
Freezing point.
c)
Boiling point.
d)
Sublimation.
5.
Which question is most appropriate when identifying whether a mixture is homogeneous?
a)
Does the mixture have a uniform appearance?
b)
Is the mixture heavy or light?
c)
Does the mixture contain any bubbles?
d)
Is the mixture warm or cool?
6.
Two oxygen atoms bond with a carbon atom to form carbon dioxide (CO2). CO2 is a:
a)
Element
b)
Atom
c)
Compound
d)
Mixture
7.
Which statement best describes the motion of atoms in a solid?
a)
They vibrate in place.
b)
They move about freely.
c)
They rotate counterclockwise.
d)
They are motionless.
8.
Matter is anything with:
a)
Compounds and Mixtures
b)
Solids and Liquids
c)
Mass and Volume
d)
Space and Structure
9.
Using Diagram 2.2 as a reference, which container shows a gas?
a)
A
b)
B
c)
C
d)
None
10.
In this state a substance has a fixed volume and a fixed shape:
a)
Liquid
b)
Plasma
c)
Gas
d)
Solid
11.
What is a liquid?
a)
A substance that has no fixed volume and no fixed shape.
b)
A substance that has a fixed volume but no fixed shape.
c)
A substance that has a fixed volume and a fixed shape.
d)
A substance that constantly changes volume and shape.
12.
How are atoms arranged in a gas?
a)
They are very far apart and move around.
b)
They are close together but move around.
c)
They are close together and do not move.
d)
They are far apart but do not move.
13.
Which container shows an element?
a)
A
b)
B
c)
C
d)
None
14.
Which of the following is true of an atom?
a)
An atom is made of several molecules bonded together.
b)
An atom is the basic unit of matter.
c)
An atom can be broken down into elements.
d)
An atom can be seen by human eyes.
15.
Which container shows a mixture?
a)
A
b)
B
c)
C
16.
Iron is an element, this means that iron contains:
a)
Only one kind of compound.
b)
Only a single type of atom.
c)
A simple mixture of several atoms.
d)
Only one type of molecule.
17.
In which example is a mixture forming?
a)
Cocoa dissolving in hot water.
b)
Water vapor condensing into liquid.
c)
Electricity splitting water into hydrogen and oxygen gases.
d)
Carbon, hydrogen, and oxygen atoms bonding to form sugar.
18.
What is a physical property?
a)
An amount of matter that is in a given volume of a substance.
b)
A characteristic associated with a substance’s composition.
c)
A property that determines the reactivity of a substance.
d)
A characteristic that can be observed without changing the substance.
19.
Salt water is a:
a)
Homogeneous mixture
b)
Heterogeneous mixture
20.
Lucky Charms cereal is a:
a)
Homogeneous mixture
b)
Heterogeneous mixture
21.
Ketchup is a:
a)
Homogeneous mixture
b)
Heterogeneous mixture
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