What is a type of material that is a pure substance and is represented by a chemical symbol?
A. Atom
B. Element
C. Compound

A substance that contains two or more different elements bonded together is which of the following?

2

Which of the following correctly matches the symbol of an element with the element’s name?
A. AU – gold
C. Pb – lead
B. nE – neon
D. si – silver

Which of the following correctly matches the symbol of an element with the element’s name?
A. AU – gold
(Not correct because it is two capital letters.)
B. nE – neon (Not correct because it is a lower case letter and then an upper case letter.)
C. Pb – lead
D. si – silver (Not correct because these are two lower case letters).

Which of the following is the correct set of labels for columns #1 and #2?
Column 1
Na
Fe
K
C
A. # 1: Compounds
Column 2
NaCl
H
2
O
CO
2
NH
3
# 2: Elements
B. # 1: Pure Substances # 2: Mixed substances
C. # 1: Elements
D. # 1: Atoms
# 2: Compounds
# 2: Mixtures

Which of the following is the correct set of labels for columns #1 and #2?
Column 1
Na
Fe
K
C
Column 2
NaCl
H
2
O
CO
2
NH
3
A. # 1: Compounds # 2: Elements
B. # 1: Pure Substances # 2: Mixed substances
C. # 1: Elements
D. # 1: Atoms
# 2: Compounds
# 2: Mixtures

What is the proper name for the capital letter H in the middle of the box?
A. Chemical Symbol
B. Element Name
C. Chemical Formula
D. Molecular Symbol

What is the proper name for the capital letter H in the middle of the box?
A. Chemical Symbol
B. Element Name
C. Chemical Formula
D. Molecular Symbol

Examine the substances provided:
1: H
2
O
3: He
2: C
4: NaCl
Which of the substances is an example of an element?
A. 1 and 2
B. 1 and 3
C. 2 and 3
D. 2 and 4

Examine the substances provided:
1: H
2
O
3: He
2: C
4: NaCl
Which of the substances is an example of an element?
A. 1 and 2
B. 1 and 3
C. 2 and 3
D. 2 and 4

What am I?
A. Atom
B. Element
C. Compound

What am I?
A. Atom
B. Element
C. Compound

What am I?
A. Atom
B. Element
C. Compound

What am I?
A. Atom
B. Element
C. Compound

What am I?
A. Atom
B. Element
C. Compound
Mercury

What am I?
A. Atom
B. Element
C. Compound
Mercury

What am I?
A. Atom
B. Element
C. Compound

What am I?
A. Atom
B. Element
C. Compound

What am I?
A. Atom
B. Element
C. Compound

What am I?
A. Atom
B. Element
C. Compound

Element, Compound, or Mixture?
Copper

Element , Compound, or Mixture?
Copper

Element, Compound, or Mixture?
Salt

Element, Compound , or Mixture?
Salt

Element, Compound, or Mixture?
Neon Gas

Element , Compound, or Mixture?
Neon Gas

Element, Compound, or Mixture?
Pure Water

Element, Compound , or Mixture?
Pure Water

Element, Compound, or Mixture?
Aluminum

Element , Compound, or Mixture?
Aluminum

Element, Compound, or Mixture?
Silver

Element , Compound, or Mixture?
Silver

Physical or Chemical Changes?
What are the indicators?

Frying eggs and bacon

Color Change
Smell Change
New Material
Frying eggs and bacon
Chemical
Change

Cracking an Egg

Size Change
Shape Change
Same material
Cracking an Egg
Physical
Change

Slicing Bread

Size Change
Shape Change
Same material
Slicing Bread

Lighting a Match

Lighting a Match
Chemical
Change
Color Change
Heat Produced
Smell Change
New Material

Roasting Marshmallows

Color Change
Heat Produced
Smell Change
New Material
Roasting Marshmallows

Butter Melting

Size Change
Shape Change
Phase Change
Same material
Butter Melting
Physical
Change

What is happening in this picture?

Color Change
Bubbling and Fizzing
What is happening in this picture?

Broken Mirror

Size Change
Shape Change
Same material
Broken Mirror
Physical
Change

Boiling Water

Size Change
Shape Change
Phase Change
Same material
Boiling Water

Aggie Bonfire

Color Change
Heat Produced
Smell Change
New Material
Aggie Bonfire
Chemical
Change

Mowing the Lawn

Size Change
Shape Change
Same material
Mowing the Lawn

Baking a Cake

Bubbling and Fizzing
(Produces small holes in the cake)
Smell Change
Baking a Cake
Chemical
Change

Digesting Food

Color Change
Heat Produced
Smell Change
New Material
Digesting Food
Chemical
Change

Making Lemonade

Size Change
Shape Change
Same material
Making Lemonade

Fireworks

Color Change
Heat Produced
Smell Change
New Material
Fireworks
Chemical
Change