WorksheetsPhysical Science Unit 1 Review
Total questions: 50
Worksheet time: 25mins
Name
Class
Date
1.
Substance that cannot be broken down by other substances by heat, light, or electricity.
a)
nucleus
b)
atom
c)
periodic table
d)
element
2.
The center of an atom, where protons and neutrons are located.
a)
nucleus
b)
atom
c)
periodic table
d)
element
3.
Particle in an atom that has no charge
a)
proton
b)
atom
c)
neutron
d)
electron
4.
Particle in an atom that has a negative electrical charge
a)
proton
b)
atom
c)
neutron
d)
electron
5.
Scientist who made a chart of the elements
a)
Mendeleev
b)
Atoms
c)
Matter
d)
Periodic table
6.
a tiny particle of matter
a)
Mendeleev
b)
Atoms
c)
Matter
d)
Periodic table
7.
Anything that has mass and takes up space
a)
Mendeleev
b)
Atoms
c)
Matter
d)
Periodic table
8.
A chart that classifies elements
a)
Mendeleev
b)
Atoms
c)
Matter
d)
Periodic table
9.
Air is a mixture of several different kinds of molecules
a)
True
b)
False
10.
The tiniest bit of water that still is water is a molecule of water
a)
True
b)
False
11.
An oxygen molecule usually has two oxygen atoms
a)
True
b)
False
12.
Hydrogen is a compound
a)
True
b)
False
13.
The properties of a compound are always the same as the properties of the elements in the compound
a)
True
b)
False
14.
Carbon dioxide is a compound
a)
True
b)
False
15.
Fleece is a material that can be made from recycled plastic soda bottles
a)
True
b)
False
16.
Bone cement is made up of one atom of hydrogen and two atoms of oxygen
a)
True
b)
False
17.
Many new materials are made up of a few kinds of molecules joined together in very long chains
a)
True
b)
False
18.
The physical property that describes how much a substance will stretch or bend is
a)
Hardness
b)
Magnetism
c)
Texture
d)
Elasticity
19.
Changing state is an example of a
a)
Chemical change
b)
Chemical reaction
c)
Physical change
d)
Physical Education
20.
What is a mixture?
a)
a solution broken down into its most simplest particles.
b)
Two or more substances that are mixed together and can separated out easily
c)
Two molecules joined together
d)
An atom
21.
Which is a good example of a mixture?
a)
lemonade
b)
oxygen
c)
fruit salad
d)
atoms
22.
Lemonade is classified as a
a)
mixture
b)
Solution
23.
A combination of powdered sulphur and iron fillings is classified as a
a)
mixture
b)
Solution
24.
Fruit salad is classified as a
a)
mixture
b)
Solution
25.
Glass is classified as a
a)
mixture
b)
Solution
26.
A combination of sand, marbles, and water is classified as a
a)
mixture
b)
Solution
27.
An ice cube is a
a)
liquid
b)
solid
c)
gas
d)
chemical
28.
A puddle of water is a
a)
solid
b)
liquid
c)
gas
d)
chemical
29.
Water vapor is a
a)
liquid
b)
solid
c)
gas
d)
chemical
30.
Which of these senses would you use to observe a grainy feel?
a)
smell
b)
taste
c)
touch
d)
sight
e)
hearing
31.
Which of these senses would you use to observe something shiny
a)
smell
b)
taste
c)
touch
d)
sight
e)
hearing
32.
Which of these senses would you use to observe something squishy
a)
smell
b)
taste
c)
touch
d)
sight
e)
hearing
33.
Which of these senses would you use to observe the ticking of a clock?
a)
smell
b)
taste
c)
touch
d)
sight
e)
hearing
34.
Ash formed from burning wood
a)
is a chemical change
b)
is not a chemical change
35.
Melting gold and pouring it into a mold
a)
is a chemical change
b)
is not a chemical change
36.
Pyrite reacting wit acid to form a gas
a)
is a chemical change
b)
is not a chemical change
37.
Smoke formed from burning rubber
a)
is a chemical change
b)
is not a chemical change
38.
Gasses formed when baking soda and vinegar are mixed
a)
is a chemical change
b)
is not a chemical change
39.
A green tomato turning red when ripe
a)
is a chemical change
b)
is not a chemical change
40.
Cutting a stack of wood from a log
a)
is a chemical change
b)
is not a chemical change
41.
Rolling a ball of clay into a long strand
a)
is a chemical change
b)
is not a chemical change
42.
Water formed from a melting ice cube
a)
is a chemical change
b)
is not a chemical change
43.
Changing state is an example of a
a)
Chemical change
b)
Chemical reaction
c)
Physical change
d)
Physical Education
44.
A description of how the atoms of a substance react with atoms of other substances is called
a)
Chemical change
b)
Chemical reaction
c)
Physical change
d)
Physical endurance
45.
A process that produces one or more substances that are different from the original substance is a
a)
Change
b)
Reaction
c)
Gas
d)
Property
46.
Ash is a new substance formed when
a)
a fruit turns moldy
b)
pyrite comes into contact with acid
c)
wood is burned
d)
food is digested
47.
Knowing about chemical properties can help in identifying
a)
protons and neutrons
b)
mixtures and solutions
c)
the nuclei of atoms
d)
elements and compounds
48.
An example of a change that is NOT a chemical change is
a)
batter baked into a cake
b)
cut apples turning brown in the air
c)
cucumbers tossed with lettuce for a salad
d)
a green tomato turning red when it ripens
49.
iron atoms combine with oxygen atoms to form
a)
fool's gold
b)
rust
c)
ashes
d)
carbon dioxide
50.
a substance that can be combined with baking soda to produce carbon dioxide is
a)
fool's gold
b)
acid
c)
vinegar
d)
plants
100 %
