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Matter and Energy Study Guide 8.1 GVC

Total questions: 53

Worksheet time: 36mins

Name
Class
Date
1.

What do you call something that has mass and takes up space?

a)

mass

b)

volume

c)

matter

d)

balance

2.

What is it called when a gas changes to a liquid?

a)

boiling

b)

heat

c)

condensation

d)

evaporation

3.

What is it called when a liquid changes to a gas?

a)

evaporation

b)

melting

c)

freezing

d)

condensation

4.

This is the temperature at which a solid changes to a liquid.

a)

degrees

b)

temperature

c)

boiling point

d)

melting point

5.

how something looks, sounds, feels, tastes, or smells

a)

characteristics

b)

physical properties

c)

chemical properties

d)

melting point

6.

how much space matter takes up

a)

mass

b)

balance

c)

volume

d)

grams

7.

Physical changes do not change the type of matter.

a)

true

b)

false

c)

I don't know

8.

An example of chemical change is...

a)

baking a cake

b)

slicing bread

c)

breaking a pencil

d)

making a salad

9.

When heat is added to matter, how does it change state?

a)

from a liquid to a solid

b)

from a solid to a liquid

10.

The particles in which state of matter are far apart and bouncing around?

a)

solid

b)

conduction

c)

gas

d)

radiation

11.

When you add salt and vinegar to a penny, what type of change can you observe?

a)

physical change

b)

chemical change

c)

seasonal change

12.

Which of the following is an example of a chemical property?

a)

Flammability

b)

Density

c)

Mass

d)

Volume

13.

The physical property that makes metal pots good for cooking is ______.

a)

heat conductivity

b)

flexibility

c)

electrical conductivity

d)

flammability

14.

Characteristics used to describe matter are called _________.

a)

Both physical and chemical properties

b)

Physical properties

c)

Chemical Properties

d)

Neither physical and chemical properties

15.

A(n) _____ is a single kind of matter that has a specific composition.

a)

Substance

b)

Mixture

c)

Chemical Property

d)

Mineral

16.
Energy that causes a change in temperature between materials
a)
Physical State
b)
Thermal Energy
c)
Mass
d)
Solubility
17.
If I added 27 grams of salt to water and separated the solution with a hot plate, what amount of salt would be left behind?
a)
20 grams
b)
0 grams
c)
27 grams
d)
10 grams
18.
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
19.

Which subatomic particle has a mass of 1/1836 amu, a negative charge, and is located outside of the nucleus?

a)

Protons

b)

Neutrons

c)

Electrons

20.

Which subatomic particle has a mass of 1 amu, a neutral charge, and is located inside the nucleus?

a)

Protons

b)

Neutrons

c)

Electrons

21.

Which subatomic particle has a mass of 1 amu, a positive charge, and is located inside the nucleus?

a)

Protons

b)

Neutrons

c)

Electrons

22.

What characteristic is the most important information to know when trying to determine an element’s identity?

a)

Protons

b)

Valence Electrons

c)

Electrons

d)

Neutrons

23.

Identify the element using the Bohr model.

a)

He

b)

Li

c)

Be

d)

Na

24.

The chemical formula for Copper Sulfate is shown below. How many elements that make up this compound?


CuSO4

a)

6

b)

4

c)

3

d)

2

25.

How many atoms of phosphorus are represented in the chemical formula below?


Sr3(PO4)2

a)

1

b)

2

c)

8

26.

which of the following is not evidence that a chemical reaction has taken place?

a)

Gas produced

b)

Unexpected color change

c)

Change in energy (light or temperature)

d)

Change of size or shape

27.

A student mixes two chemicals and sees the production of bubbles, the formation of a precipitate, a change in shape, and heat being produced. How many of these observations

indicate a chemical change?

a)

2

b)

3

c)

4

28.

Whose model suggested that negative particles were mixed in with positively charged material - like seeds in a watermelon?

a)

J.J. Thomson

b)

Ernest Rutherford

c)

Niels Bohr

d)

Albert Einstein

29.

Who discovered that the atom had an small, dense, positively charged center?

a)

Ernest Rutherford

b)

J.J Thomson

c)

Robert Millikan

d)

John Dalton

30.
What can you conclude from the fact that scientists continue to update the atomic model?
a)
New information about atoms continues to be discovered
b)
Old information about atoms is completely useless
c)
Scientists did not have any information about atoms until a few years ago
d)
Scientists still have no idea what atoms look like
31.

Which scientists believed an atom was indivisible? (Choose all correct responses.)

a)

Democritus

b)

Dalton

c)

Thomson

d)

Rutherford

32.
Which element below has 11 protons?
a)
Boron (B)
b)
Nitrogen (N)
c)
Silicon (Si)
d)
Sodium (Na)
33.
The section labeled D is known as the?
a)
Electron cloud
b)
Neutron
c)
Nucleus
d)
Electron
34.
The number of protons and electrons are the same as
a)
Neutrons
b)
Atomic number
c)
atomic mass
d)
Electron shells
35.
The smallest unit of matter is called?
a)
An electron
b)
An element
c)
An atom
d)
A solid
36.
Letter A Is positively charged particle called?
a)
Neutron
b)
Proton
c)
Electron
d)
Atom
37.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
38.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
39.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
40.
Which of the following an element?
a)
Carbonic Acid
b)
Copper
c)
Iron and Copper
d)
Water
41.

Manmade materials and substances that do not exist naturally in the environment

a)

nonrenewable products

b)

synthetic products

c)

systematic products

d)

none of the above

42.

Crude oil is used to make different kinds of plastics including PVC, vinyl and styrofoam.

a)

true

b)

false

43.

What is a synthetic material?

a)

Any material that is man made

b)

Any material that is only made from natural resources

c)

Any material that is made of recycled materials

d)

Any material that is found in nature.

44.
What are synthetic materials mostly made from?
a)
Coal
b)
Chemicals
c)
Trees
d)
Gasoline
45.

A student added white crystals to a clear liquid. The crystals dissolved in the liquid. After a few seconds, the liquid became quite warm and then turned bright red in color. Indications that a chemical change was taking place could be observed when –

a)

the white crystals were added to the clear liquid.

b)

the crystals dissolved in the liquid leaving only the liquid visible

c)

There are no indications of chemical change

d)

the temperature of the liquid increased and an unexpected color change occurred.

46.

Shredding paper is an example of a

a)

chemical change

b)

physical change

c)

physical property

d)

chemical property

47.

A granular substance is added to a liquid. Which of the following would provide evidence to suggest a chemical change has taken place?

a)

The liquid gives off heat.

b)

The granules dissolve completely.

c)

The volume of the liquid increases.

d)

The granules seem to get smaller.

48.

How many atoms of Oxygen are in Glucose?

a)

24

b)

6

c)

12

d)

18

49.
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
50.
If reaction starts with 20g of reactants it should produce... 
a)
a total of 40g of product
b)
a total of 10g of product
c)
a total of 80 g of product
d)
a total of 20g of product
51.
At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?
a)
the product is doubled
b)
the product is half the mass of the reactants
c)
the mass is the same
d)
the mass changes depending on the reaction
52.

In a chemical reaction, 4 grams of sodium must combine with how many grams of chlorine to produce 10 grams of table salt?

a)

4 grams

b)

6 grams

c)

8 grams

d)

10 grams

53.

If 50g of reactant forms 40g of product, what happened to the other 10g?

a)

It was destroyed

b)

Mass was not conserved

c)

It escaped as gas

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