WorksheetsChanges in Matter
Total questions: 55
Worksheet time: 53mins
Name
Class
Date
1.
We observe this type of property using our 5 senses.
a)
physical properties
b)
chemical properties
c)
physical and chemical properties
2.
Using dye to change the color of a shirt green.
a)
Chemical Change
b)
Physical Change
3.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
4.
Is glass breaking a chemical or phyiscal change?
a)
chemical
b)
physical
5.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
6.
A phase change is a:
a)
Chemical change
b)
Change for the better
c)
Physical Change
d)
Metamorphosis
7.
Ability to rust is this type of property:
a)
Physical property
b)
Chemical property
8.
Which of the following is a chemical property?
a)
how something tastes
b)
ability to explode
c)
ability to float in water
d)
size of an object
9.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
10.
_______ takes up space and has mass.
a)
matter
b)
mass
c)
state
11.
Which of the following characteristics is shared by all chemical reactions?
a)
Produce a precipitate
b)
Show a color change
c)
Release heat energy
d)
Form new substances
12.
Flammability (burns): Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
13.
Some power plants produce energy by burning coal. In these power plants, the heat from burning coal is used to boil water. Which statement best describes the changes that occur when burning coal and boiling water?
a)
Burning coal and boiling water are both physical changes
b)
Burning coal and boiling water are both chemical changes
c)
Burning coal is a chemical change, and boiling water is a physical change
d)
Burning coal is a physical change and boiling water is chemical change
14.
Unexpected change of color is a chemical change
a)
True
b)
False
15.
When 15 grams of zinc are combined with 20 grams of hydrochloric acid, two new products are created. What will be the combined weight of the products?
a)
5 grams
b)
15 grams
c)
20 grams
d)
35 grams
16.
The Law of Conservation of Mass state that mass is ALWAYS created and destoyed
a)
True
b)
False
17.
Color, Odor, Density, and Shape are all what?
a)
Physical Changes
b)
Chemical Changes
c)
Physical Properties
d)
Chemical Properties
18.
Which task in the kitchen is an example of a physical change?
a)
Frying an egg
b)
Baking a cake
c)
Melting Butter
d)
Toasting bread
19.
If 100 grams of vinegar (a liquid) and 5 grams of baking soda (a solid powder) are poured in a container, a small amount of gas will be produced. What will the final mass of the products be if the gas is trapped in the container?
a)
100 grams
b)
105 grams
c)
104 grams
d)
110 grams
20.
Which of the following best describe a precipitate?
a)
A measure of mass per unit volume
b)
A solid separated from a solution
c)
A form of weather
d)
A clear indication of a physical change
21.
What is the chemical formula of Carbon Dioxide?
a)
O2
b)
NaCl
c)
H20
d)
CO2
22.
What is melting?
a)
when something changes from a liquid to a gas
b)
when something changes from a solid to a liquid
c)
when something changes from a liquid to a solid
23.
Tina places a plastic bag, a cup of water, and a piece of wood in the FREEZER. Which object will changes states?
a)
the plastic bag
b)
the water
c)
the piece of wood
24.
An gel ice pack getting cold after you put it in the freezer for an hour.
a)
Chemical Change
b)
Physical Change
25.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
26.
Green bananas turning yellow on their own as they ripen.
a)
Chemical Change
b)
Physical Change
27.
The smell your dog makes after eating to much people food.
a)
Chemical Change
b)
Physical Change
28.
Baking a cake by mixing flour, sugar, chocolate powder, eggs, and milk, and then heating them in the oven.
a)
Chemical Change
b)
Physical Change
29.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
30.
A change in which NEW substances are formed.
a)
Chemical change
b)
Physical change
c)
Casual change
d)
Formal change
31.
Which of the following is NOT an example of chemical change?
a)
sour milk
b)
burning wood
c)
breaking a pencil
d)
rust
32.
Which of the following IS a physical change?
a)
Getting a haircut
b)
Rusty metal
c)
sour milk
d)
A compound
33.
Which of the following IS a chemical change
a)
using chalk
b)
water freezing
c)
slicing cheese
d)
digestion
34.
In the equation, 2Mg + O2 ---> 2MgO, which are the reactants?
a)
Mg and O
b)
MgO
c)
Mg and MgO
d)
O and MgO
35.
Is a a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
36.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
37.
Is spoiling food a physical or chemical change?
a)
phyiscal
b)
chemical
38.
Is bleaching your hair a physical or chemical change?
a)
physical
b)
chemical
39.
Is corroding metal a chemical or physical change?
a)
physical
b)
chemical
40.
Is moldy cheese a chemical or physical change?
a)
chemical
b)
physical
41.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
42.
In chemical reactions, the law of conservation of mass is......
a)
disobeyed
b)
not true
c)
followed
d)
used sometime
43.
When placed in H20, a sodium pellet catches on fire as hydrogen gas is liberated and sodium hydroxide forms.
a)
Chemical Change
b)
Physical Change
44.
Hydrochloric acid reacts with potassium hydroxide to produce a salt, water,and heat.
a)
Chemical Change
b)
Physical Change
45.
Sodium Hydroxide dissolves in water
a)
Chemical Change
b)
Physical Change
46.
What is the chemical formula of water?
a)
O2
b)
H20
c)
H2O2
d)
CO2
47.
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
c)
properties that we can only observe with our eyes
d)
properties that we need special tools to observe
48.
Which of the following is a chemical property of water?
a)
Reacts with pure sodium
b)
Boils at 100 oC
c)
Is liquid at room temperature
d)
Solid when at 32 degrees F
49.
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
50.
Marie had a beaker with a small amount of baking soda. She added a few drops of pickle juice to the baking soda and observed fizzing and bubbling. Based on her observation, which of these can Marie determine about the new substance formed by mixing the baking soda and pickle juice?
a)
A chemical reaction produced a solid.
b)
A chemical reaction produced a gas.
c)
No chemical reaction took place.
d)
Only a physical change happened.
51.
The Law of Conservation of Mass States
a)
Energy cannot be created nor destroyed, it can only change form.
b)
Mass cannot be created nor destroyed, it can only change form.
c)
Matter cannot be created nor destroyed, it can only change form.
d)
Mass can be created or destroyed, it cannot change form.
52.
In this chemical equation , CH4 and 2O2 are called the...
a)
Products
b)
Reactants
c)
Coefficient
d)
Subscript
53.
In this chemical equation , the 2 in front of the 2O2 and the 2 in front of the 2H2O are called the...
a)
Products
b)
Reactants
c)
Coefficient
d)
Subscript
54.
How many Carbons are on EACH side of the chemical reaction?
a)
1
b)
3
c)
4
d)
5
55.
Which of the following is true regarding the atoms involved in a chemical reaction?
a)
The same number of each type of atom will always be present before and after a chemical reaction takes place.
b)
Some of the atoms present before the reaction will always be lost during a chemical reaction.
c)
Some of the atoms will always be changed into a different type of atom by a chemical reaction.
d)
During a chemical reaction, atoms will always be combined into much larger molecules.
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