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WorksheetsDIA #3 review
Total questions: 80
Worksheet time: 3hrs 15mins
Name
Class
Date
1.
Iron, Nickel and cobalt are all __________________ materials
a)
Insulators
b)
poles
c)
magnetic
d)
cold
2.
Mass, relative density, solubility, color, texture, state of matter, conductivity, etc.
a)
Physical state
b)
Insulators
c)
Physical Properties
d)
Inferences
3.
Molecules spread out and move FAST!
a)
solid
b)
gas
c)
liquid
4.
Molecules are tightly packed together
a)
solid
b)
liquid
c)
gas
5.
If you poured 3 liquids that do not mix how could you tell which one is the most dense?
a)
The liquid on top
b)
The liquid in the middle
c)
The liquid at the bottom
6.
If an ice cube is left out in room it will change from one state of matter to another. Which is the correct order of State of Matter that the ice cube will go through?
a)
Gas, Solid, Liquid
b)
Liquid, Solid, Gas
c)
Liquid, Gas, Solid
d)
Solid, Liquid, Gas
7.
Both beakers contain colored water. Which property is the same for both pictures?
a)
Volume
b)
Boiling Point
c)
Mass
d)
Weight
8.
Anita is trying to identify an unknown element. She divides the Mass of the element by the volume of the element. What property of the element is Anita using to identify the element?
a)
Freezing Point
b)
Weight
c)
Density
d)
Texture
9.
Which of the following statements correctly differentiates between a physical and a chemical change?
a)
A physical change occurs only in elements. A chemical change occurs only in compounds
b)
The result of a chemical change is a new substance.
c)
The result of a physical change is a new substance.
d)
A chemical change results in a change in an elements' or compound's state of matter.
10.
Which example shows a physical change and a chemical change?
a)
Ice Melting and cracking an egg
b)
Rusting Iron and Baking a Cake
c)
Dissolving koolaid in water and Shredding paper
d)
Freezing water and burning wood
11.
The picture illustrates ice melting and water evaporating. Select the BEST Description for water changing to date vapor.
a)
The molecules are slowing down
b)
The molecules are speeding up
c)
The molecules are not moving
d)
The molecules volume and mass has changed.
12.
The tablet is dissolving in the glass of water. This illustrates the ____________ of the tablet.
a)
Boiling Point
b)
Volume
c)
Density
d)
Solubility
13.
A ________________ allows heat and electricity to travel through the material easily.
a)
conductor
b)
insulator
c)
rubber eraser
d)
solubility
14.
Which list includes only objects that are insulators?
a)
Paper clip, rubber, glass, copper penny
b)
Rubber, glass, wood, plastic
c)
Rubber, glass, copper penny, wood
d)
Paper clip, iron nail, copper penny, aluminum foil
15.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
16.
True or False: The density of a specific type of material never changes.
a)
True
b)
False
17.
I have two objects with the same volume but different masses. Which object will be more dense?
a)
The object with less weight.
b)
The object with more weight.
c)
The object with more mass.
d)
The object with less mass.
18.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
19.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
20.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
21.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
22.
A solid piece of chocolate is melted and changed to liquid form. Which property of the piece of chocolate will remain the same?
a)
Texture
b)
Temperature
c)
Shape
d)
Mass
23.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
rust
24.
Freezing Juice?
a)
Physical Change
b)
Chemical Change
25.
Fizzing, foaming, and burning are all examples of
a)
Chemical change
b)
Physical change
26.
Which of these is a result of a chemical change?
a)
A mixture
b)
A solution
c)
A new substance
d)
Melting or freezing
27.
Which of the following tells you that a chemical change may have occurred?
a)
Change Shape
b)
Melting
c)
Evaporation
d)
Burning
28.
Is milk going sour a physical or chemical change?
a)
Physical
b)
Chemical
29.
Is making orange juice a physical or chemical change?
a)
Physical
b)
Chemical
30.
Is sharpening a pencil a physical or chemical change?
a)
Physical
b)
Chemical
31.
Is copper tarnishing a physical or chemical change?
a)
Physical
b)
Chemical
32.
The Law of Conservation of Mass tells us matter can't ______________.
a)
change color
b)
change state of matter
c)
be created or destroyed
d)
change temperature
33.
Which of the following IS a clue that a chemical change has occurred?
a)
State of matter change
b)
Size Change
c)
Change in temperature
d)
Shape change
34.
Dissolving sugar in water is an example of a
a)
physical change
b)
chemical change
35.
Digesting your food is an example of
a)
chemical change
b)
physical change
36.
What causes a chemical reaction when you prepare scrambled eggs?
a)
cracking the eggs in a pan
b)
heating the eggs in a pan
c)
putting pepper on the eggs
d)
putting the eggs on a plate
37.
What is the part of the chemical equation in green called?
Fe + S → FeS
a)
products
b)
reactants
c)
yield
d)
input
38.
What is the right part of a chemical equation called...
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products
c)
Yields
d)
Output
39.
An oreo cookie weighs 20 grams. It gets crushed into crumbs for a recipe. How much do its crumbs weigh?
a)
15 grams
b)
25 grams
c)
20 grams
40.
In a chemical reaction,
a)
the atoms of the reactants always stay together.
b)
the atoms of the reactants rearrange, to form new products.
c)
new atoms are formed when combined to make the products
d)
some atoms disappear & others multiply to form products
41.
In a reaction A + B ----> C, reactant A has 5g and product C has 9g. How many grams does reactant B should have?
a)
4g
b)
5g
c)
9g
d)
14g
42.
This type of system allows matter to flow freely in and out...
a)
Closed System
b)
Open System
43.
The burning of coal is an example of a
a)
chemical change
b)
physical change
44.
Digesting your food is an example of
a)
chemical change
b)
physical change
45.
Cutting a log in to small pieces is a chemical change.
a)
true
b)
false
46.
Which is a physical change?
a)
digesting food
b)
burning natural gas
c)
exploding firework
d)
chopping onions
47.
A change where one or more new substances are created.
a)
Physical Change
b)
Chemical Change
48.
When you break a cracker into pieces it is a...
a)
Chemical change
b)
Physical change
49.
Burning a marshmallow over a campfire
a)
Physical
b)
Chemical
50.
Melting a popsicle
a)
Physical
b)
Chemical
51.
Fill in the blank:
The law of conservation of mass states that matter cannot be created nor __________________.
The law of conservation of mass states that matter cannot be created nor __________________.
a)
destroyed
b)
rearranged
c)
transferred
d)
changed
52.
A type of change that changes the appearance of a substance, but does not change the identity of the substance.
a)
Physical
b)
Chemical
53.
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.
54.
A copper penny turning greenish after a few years is an example of ...
a)
Chemical Change
b)
Physical Change
55.
A change in which NEW substances are formed.
a)
Chemical change
b)
Physical change
c)
Casual change
d)
Formal change
56.
Which of the following is NOT an example of chemical change?
a)
sour milk
b)
burning wood
c)
breaking a pencil
d)
rust
57.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
58.
Which of the following IS a physical change?
a)
Getting a haircut
b)
Rusty metal
c)
sour milk
d)
A compound
59.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
60.
Is a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
61.
A change in phase ...
a)
Chemical Change
b)
Physical Change
62.
Bubbles form when two or more substances are combined ...
a)
Chemical Change
b)
Physical Change
63.
An explosion occurs ...
a)
Chemical Change
b)
Physical Change
64.
Evidence of Chemical Change.
a)
New Substance
b)
Size change
c)
State change
d)
Mixture
65.
Particles closest together
a)
solid
b)
liquid
c)
gas
d)
solid, liquid and gas
66.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
67.
Hector is standing in a closed room with a balloon filled with helium gas. If Hector pops this balloon, what will happen to the molecules in the helium gas?
a)
They will condense into a cloud around Hector.
b)
They will fall to the floor as a structured solid.
c)
They will expand and flow through the room
d)
They will flow to the floor and form a puddle.
68.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1,
d)
4, 3, 1, 2
69.
John measures a rock and finds it to be 16 grams. What does John know about the rock?
a)
its density
b)
its mass
c)
its volume
d)
its size
70.
If the density of a bar of gold is 19.3 g/cm3and you cut it into 4 pieces, what is the density of each piece of gold?
a)
4.825 g/cm3
b)
9.65 g/cm3
c)
19.3 g/cm3
d)
38.6 g/cm3
71.
Why do ice cubes float in a glass of water?
a)
the ice cubes are more dense than the water
b)
the water is more dense than the ice cubes
c)
the water is more dense than the glass
d)
the ice is more dense than the glass
72.
Why do some substances float on water?
a)
they are warmer than water
b)
they are cooler than water
c)
they are more dense than water
d)
they are less dense than water
73.
What is the ability of a substance to allow heat, sound, or electricity to flow through it?
a)
Malleability
b)
Ductility
c)
Solubility
d)
Conductivity
74.
The substances listed on the left side of a chemical equation are the
a)
Products
b)
Coefficients
c)
Precipitates
d)
Reactants
75.
The substances listed on the right side of a chemical equation are the
a)
Yields
b)
Reactants
c)
Products
d)
Precipitates
76.
Identify the reactant(s) and product(s) of the reaction.
a)
All three are reactants and none are products.
b)
Hydrogen and water are the reactants, and oxygen is the product.
c)
Water and oxygen are the reactants, and hydrogen is the product.
d)
Hydrogen and oxygen are the reactants, and water is the product.
77.
Why does a higher temperature increase the rate of a reaction?
a)
it increases both the frequency and energy of particle collisions
b)
it only increases the frequency of particle collisions
c)
it only increases the energy of particle collisions
d)
it reduces the activation energy of the reaction
78.
Increasing the temperature gives particles more __________.
a)
Time
b)
Energy
c)
Space
d)
Frequency
79.
Increasing the temperature of your solution will.......
a)
Not affect the rate of reaction.
b)
Speed up the rate of reaction
c)
Slow down the rate of reaction
80.
Which of the following would react fastest in sweet tea?
a)
a sugar cube
b)
a sugar cube cut in half
c)
a sugar cube cut in fourths
d)
a sugar cube crushed into powder
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