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WorksheetsEA5: Homework week ending 4.5
Total questions: 100
Worksheet time: 50mins
Name
Class
Date
1.
What is matter?
a)
a pure substance
b)
anything that occupies space and possesses mass
c)
an element
d)
a compound
2.
A measure of the amount of matter in an object.
a)
Weight
b)
Mass
3.
Which of the following is not a chemical property?
a)
rusting
b)
boiling
c)
rotting
d)
burning
4.
What is the measure of how much space an object takes up?
a)
matter
b)
volume
c)
substance
d)
properties
5.
Which one of these is a chemical property?
a)
melting point
b)
boiling point
c)
color
d)
flammability
6.
Ability to rust is this type of property:
a)
Physical property
b)
Chemical property
7.
Which is an example of a physical property?
a)
ability to react with acid
b)
state of matter
c)
flammability
d)
ability to react with oxygen
8.
Which of the following is a chemical change?
a)
human digestion
b)
cutting a tree down
c)
melting a chocolate bar
d)
Has a density of 1 gm/mL
9.
Properties that can be observed without trying to change the identity of the substance.
a)
Physical
b)
Chemical
10.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
c)
liquid properties
d)
real properties
11.
The ability to shine is known as----
a)
Luster
b)
Brightness
c)
Flammability
d)
Combustion
12.
Ductility, the ability to be stretched into thin wires, is a --- property.
a)
Chemical
b)
Physical
13.
Combustion or exploding, is a --- property.
a)
Chemical
b)
Physical
14.
When metal comes in contact with oxygen and water, it creates ---- through a chemical reaction.
a)
Rust (tarnish)
b)
Mold
c)
Decomposition
d)
Copper
15.
Digestion, the process of the body breaking down food for nutrients, is a --- property.
a)
Chemcial
b)
Physical
16.
Malleability, the ability to be flattened into thin sheets, is a ---property.
a)
Physical
b)
Chemical
17.
Decay or rotting of a substance is a ---- property.
a)
Chemical
b)
Physical
18.
Color change like in a drop of food coloring in water, is a --- change.
a)
Physical
b)
Chemical
19.
Bubbles produced as in the yeast and peroxide demonstration is an example of a --- property.
a)
Chemical
b)
Physical
20.
Blue Color: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
21.
Flammability (burns): Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
22.
Which is NOT a physical property?
a)
odor
b)
reacts with acid
c)
ability to conduct electric current
d)
hardness
23.
Physical properties are
a)
properties that can be observed without changing the identity of the substance
b)
properties that describe how a substance changes into a completely different substance
24.
Brittleness: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
25.
Reacts with Water: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
26.
Is milk going sour a physical or chemical change?
a)
Physical
b)
Chemical
27.
The ability to hammered into a thin sheet or be bent is
a)
Ductility
b)
Solubility
c)
Density
d)
Malleability
28.
Is making orange juice a physical or chemical change?
a)
Physical
b)
Chemical
29.
Is sharpening a pencil a physical or chemical change?
a)
Physical
b)
Chemical
30.
Is copper tarnishing a physical or chemical change?
a)
Physical
b)
Chemical
31.
Density: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
32.
Reacts with Acid: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
33.
Sour Taste: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
34.
Melting Point: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
35.
Hardness: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
36.
Odor: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
37.
The element iron is very magnetic. This is an example of a
a)
Physical property
b)
chemical property
38.
The mass of the box is 20 pounds. This is an example of a
a)
Physical property
b)
Chemical property
39.
The silver bracelet my Grandma gave me tarnishes very easily. This is an example of a
a)
Physical property
b)
Chemical property
40.
Which of the following would be considered a physical change?
a)
Cutting paper
b)
pH test
c)
Burning marshmellow
d)
Roasting a Turkey
41.
Which of the following would be considered a physical property?
a)
Colour
b)
Flammability
c)
pH
d)
Reactivity
42.
Which of the following is a Physical Property
a)
Toxicity
b)
Flammability
c)
Malleability
d)
Reactivity
43.
Which of the following would be considered a homogeneous mixture
a)
Sweet Tea
b)
Vegetable soup
c)
24 Karat Gold
d)
Distilled water
44.
No Definite Shape and No Definite Volume
a)
Gas
b)
Liquid
c)
Solid
45.
Phase change from a solid to a gas.
a)
sublimation
b)
deposition
c)
condensation
d)
evaporation
46.
When the temperature of matter decreases the particles ...
a)
speed up and move farther apart
b)
speed up and move closer together
c)
slow down and move farther apart
d)
slow down and move closer together
47.
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
48.
Boiling point
a)
Physical property
b)
Chemical property
49.
Odor
a)
Physical property
b)
Chemical property
50.
Red color
a)
Physical property
b)
Chemical property
51.
Hardness
a)
Physical property
b)
Chemical property
52.
Flammability
a)
Physical property
b)
Chemical property
53.
Bitter taste
a)
Physical property
b)
Chemical property
54.
Supports combustion
a)
Physical property
b)
Chemical property
55.
Reacts with water to form a gas
a)
Physical property
b)
Chemical property
56.
A change that alters the physical properties of a substance without changing its composition.
a)
Physical Change
b)
Chemical Change
57.
Water freezing into ice is an example of a...
a)
Physical Change
b)
Chemical Change
58.
Which of the following is an example of sublimation?
a)
Dry Ice
b)
Water boiling into steam
c)
Ice cream melting
d)
Water freezing into ice
59.
Any change in the state of matter of a substance is a...
a)
Physical Change
b)
Chemical Change
60.
A change in matter that forms one or more new substances with new chemical properties is a/an...
a)
Physical Change
b)
Chemical Change
61.
Which of the following indicates a chemical change?
a)
Change in state of matter
b)
Temperature change
c)
Change in size
d)
Change in shape
62.
A solid substance that forms when 2 liquid solutions are combined?
a)
Sublimation
b)
Precipitate
c)
Condensation
d)
Freezing
63.
Which of the following DOES NOT indicate a chemical change/reaction is occurring?
a)
Color Change
b)
Formation of a Precipitate
c)
Formation of gas/bubbles
d)
State of matter change
64.
We use chemical equations to show what happens in a....
a)
Chemical Change
b)
Physical Change
65.
Which of the following indicates a PHYSICAL change?
a)
Change in temperature
b)
Change in shape
c)
Formation of a precipitate
d)
Change in color
66.
Chemical or Physical? Glass breaking into tiny shards
a)
Chemical Change
b)
Physical Change
67.
Which Law states that Matter cannot be created or destroyed during a Chemical Change/Reaction?
a)
Conservation of Energy
b)
Conservation of Matter (Mass)
c)
Conservation of Momentum
d)
Conservation of Thermodynamics
68.
Physical or Chemical Change? Iron rusts
a)
Physical Change
b)
Chemical Change
69.
Physical or Chemical Change? Cutting an orange into wedges.
a)
Physical Change
b)
Chemical Change
70.
Physical or Chemical Change? Baking a cake.
a)
Chemical Change
b)
Physical Change
71.
Physical or Chemical Change? Logs burning in a campfire.
a)
Physical Change
b)
Chemical Change
72.
Physical or Chemical Change? Sodium metal burning in water.
a)
Physical Change
b)
Chemical Change
73.
Physical or Chemical Change? Making a paper airplane.
a)
Physical Change
b)
Chemical Change
74.
Becca breaks Truett's pencil. What type of change has occurred?
a)
physical
b)
chemical
c)
property
d)
puberty
75.
Ice melting
a)
Chemical Change
b)
Physical Change
76.
Water freezing
a)
Chemical Change
b)
Physical Change
77.
Wood burned in a fireplace
a)
Chemical Change
b)
Physical Change
78.
Baking soda and vinegar combine to make carbon dioxide
a)
Chemical Change
b)
Physical Change
79.
Glass bottle that is shattered
a)
Chemical Change
b)
Physical Change
80.
What is anything that has mass and takes up space?
a)
matter
b)
substance
c)
chemistry
d)
property
81.
What is gravity?
a)
A force
b)
Energy
c)
A push
d)
All of them
82.
Without gravity we would________.
a)
Float away
b)
Stay in the ground
c)
Nothing would happen.
d)
I don't know
83.
Why a ball falls to the ground?
a)
Earth's force of gravity is GREATER than the ball's, so the ball gets attracted to the ground.
b)
Earth's force of gravity is LESS than the ball's, so the ball gets attracted to the ground.
84.
Which has more mass, Earth or the Moon?
a)
Earth
b)
Moon
c)
The same
85.
Which has a STRONGER force of gravity, Earth or the Moon?
a)
Earth
b)
Moon
86.
Why can astronauts jump and float a little on the Moon?
a)
Because the Moon's gravity is NOT that STRONG.
b)
Because the Moon's gravity is VERY STRONG.
87.
Where can you jump higher, on Earth or on the Moon?
a)
Earth
b)
Moon
88.
What is weight?
a)
The measure of how HEAVY something is.
b)
The measure of how much GRAVITY is pulling on an object.
c)
BOTH answers are correct.
d)
None of them.
89.
Is weight AFFECTED by gravity?
a)
YES, depending on the force of gravity is how much you weight.
b)
NO, it is not related.
90.
Where would you weight more, on Earth or on the Moon?
a)
Earth
b)
Moon
91.
Where would you have more mass, on Earth or on the Moon?
a)
Earth
b)
Moon
c)
IS THE SAME, mass DOESN'T CHANGE
d)
In both Planets.
92.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
93.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
94.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight
d)
friction
95.
The law of universal gravitation is credited to whom?
a)
Einstein
b)
Galileo
c)
Darwin
d)
Newton
96.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
97.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance
b)
mass and matter
c)
distance and weight
d)
weight and mass
98.
When will the forces of gravity between two objects be the GREATEST?
a)
when the masses of both objects are small and the objects are far apart
b)
when the masses of both objects are large and the objects are close together
c)
when the masses of both objects are small and the objects are close together
d)
when the masses of both objects are large and the objects are far apart
99.
What is the SI unit used to measure force?
a)
pounds
b)
grams
c)
newtons
d)
kg/ m2
100.
Which model has greater gravitational attraction (if any)
a)
Model A
b)
Model B
c)
Both Model A and Model B (same gravity)
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