Question 1

What must you start with to create a synthetic resource?

Accepted Answer

a natural resource

Answer

a chemical change

Answer

plastic

Answer

wood

Question 2

What element has the atomic number 6?

Accepted Answer

carbon

Answer

oxygen

Answer

helium

Answer

nitrogen

Question 3

How many total atoms are in FeO₃?

Accepted Answer

4

Answer

2

Answer

3

Answer

5

Question 4

How many carbon atoms are in 4CO₂?

Accepted Answer

4

Answer

2

Answer

8

Answer

6

Question 5

How many hydrogen atoms are in 3H₂O₂?

Accepted Answer

6

Answer

4

Answer

2

Answer

3

Question 6

What element has the atomic number 1?

Accepted Answer

hydrogen

Answer

sodium

Answer

lithium

Answer

helium

Question 7

Liquids have a/an _______________ shape.

Accepted Answer

indefinite

Answer

definite

Question 8

Solids have a/an ________________ shape.

Accepted Answer

definite

Answer

indefinite

Question 9

Gases have a/an __________________ volume.

Accepted Answer

indefinite

Answer

definite

Question 10

Liquids have a/an _____________ volume.

Accepted Answer

definite

Answer

indefinite

Question 11

Gases have a/an _____________ shape.

Accepted Answer

indefinite

Answer

definite

Question 12

Solids have a/an ________________ volume.

Accepted Answer

definite

Answer

indefinite

Question 13

What are three states of matter in order from highest energy to lowest energy?

Accepted Answer

gas, liquid, solid

Answer

liquid, gas, solid

Answer

solid, liquid, gas

Answer

gas, solid, liquid

Question 14

Which state of matter has the least amount of energy?

Accepted Answer

solid

Answer

liquid

Answer

gas

Question 15

How many total atoms does 2CO contain?

Accepted Answer

4

Answer

2

Answer

1

Answer

6

Question 16

What are the signs that a gas has been produced during a chemical change?

Accepted Answer

bubbles are produced

Answer

heat is absorbed

Answer

a color change occurs

Answer

heat is given off

Question 17

Which type of change produces a new substance?

Accepted Answer

chemical change

Answer

physical change

Question 18

How do you know that an exothermic reaction has taken place?

Accepted Answer

the reaction feels warmer

Answer

the reaction feels cooler

Answer

the reaction gives off bubbles

Answer

the reaction changes color

Question 19

Which state of matter has the most amount of energy?

Accepted Answer

gas

Answer

solid

Answer

liquid

Question 20

How do you know an endothermic reaction has taken place?

Accepted Answer

the reaction feels cooler

Answer

the reaction gives off an odor

Answer

the reaction feels warmer

Answer

the reaction changes color

Question 21

How do the particles in a solid relate to those in a gas?

Accepted Answer

particles in a solid move slower than particles in a gas

Answer

particles in a solid and particles in a gas move at the same speed

Question 22

What happens to the temperature of an ice cube when you remove it from the freezer?

Accepted Answer

it increases

Answer

it decreases

Answer

it stays the same

Question 23

What happens to the energy of the particles of an ice cube when it is removed from the freezer?

Accepted Answer

they start moving faster

Answer

they start moving slower

Answer

the amount of movement stays the same

Question 24

What phase change occurs when a solid turns to a liquid?

Accepted Answer

melting

Answer

freezing

Answer

condensation

Answer

evaporation

Question 25

What phase change occurs when a liquid becomes a gas?

Accepted Answer

evaporation

Answer

condensation

Answer

melting

Answer

freezing

Question 26

What happens to the energy of the particles of a liquid when it turns into a solid?

Accepted Answer

they start moving slower

Answer

they start moving faster

Answer

the movement is the same

Question 27

A campfire is a chemical reaction that occurs in a/an  ____________ system.

Accepted Answer

open

Answer

closed

Question 28

The law of conservation of mass states that matter cannot be ______________________.

Accepted Answer

created or destroyed

Answer

consumed

Answer

changed into a different form

Question 29

Which equation shows the law of conservation of mass?

Accepted Answer

2H₂ + O₂ -->  2H₂O

Answer

H₂ + O₂ ---> 2H₂O

Answer

H₂ + O₂ ---> H₂O

Answer

H + O ---> H₂O

Question 30

As the temperature decreases, the particles in a substance move...

Accepted Answer

slower

Answer

faster

Question 31

What happens when the particles of a liquid speed up?

Accepted Answer

evaporation

Answer

melting

Answer

freezing

Answer

condensation

Question 32

Which state of matter has a definite shape and a definite volume?

Accepted Answer

solid

Answer

gas

Answer

liquid

Question 33

Which of the following statements is true about H₂O₂ (hydrogen peroxide)?

Accepted Answer

It contains two different elements.

Answer

It contains 2 different molecules.

Answer

It contains two total atoms.

Answer

It contains three different elements.

Question 34

Which of the following statements is true about C₆H₁₂O₁₁?

Accepted Answer

It contains 29 total atoms.

Answer

It contains 4 different elements.

Answer

It is made of 2 different elements.

Answer

It contains 11 different elements.

Question 35

Is baking cookies a physical or chemical change?

Accepted Answer

chemical

Answer

physical

Question 36

A glowstick is a chemical reaction that happens in a/an _________________ system.

Accepted Answer

closed

Answer

open

Question 37

In a closed system, the law of conservation of mass is shown because...

Accepted Answer

all products are contained and can be weighed.

Answer

the gases cannot be weighed.

Answer

the reactants don't undergo a chemical change.

Question 38

Which of the following is example of a chemical change?

Accepted Answer

paper burning

Answer

paper cut into 15 pieces

Answer

paper being colored on

Answer

paper being folded

Question 39

Is ice melting a physical or chemical change?

Accepted Answer

physical

Answer

chemical

Question 40

Is freezing juice a physical or chemical change?

Accepted Answer

physical

Answer

chemical

Question 41

A solid that forms from two liquids is known as a...

Accepted Answer

precipitate

Answer

condensation

Answer

non-Newtonian fluid

Answer

physical change

Question 42

Which of the following are reactants in CH₄ + 4Cl₂    ------> CCl₄  + 4HCl

Accepted Answer

CH₄ + 4Cl₂

Answer

CCl₄  + 4HCl

Answer

CCl₄

Answer

4HCl

Question 43

In a chemical equation, reactants are...

Accepted Answer

what you start with

Answer

what you end up with

Question 44

What are the products in N₂ + 3H₂ ----> 2NH₃?

Accepted Answer

2NH₃

Answer

N₂ + 3H₂

Answer

3H₂

Answer

N₂

Question 45

N₂ + 3H₂ ----> 2NH₃    Is this equation balanced or unbalanced??

Accepted Answer

balanced

Answer

unbalanced

Question 46

What would most likely be the products of Fe₂ + S₂?

Accepted Answer

2FeS

Answer

Fe₄S ₄

Answer

FeS

Answer

Fe₄

Question 47

Is a change in volume a sign of a physical or chemical change?

Accepted Answer

physical

Answer

chemical

Question 48

Which of the following best describes a synthetic material?

Accepted Answer

oil being turned into plastic

Answer

stone being cut into squares

Answer

a bike rusting

Answer

cotton being spun into thread

Question 49

Is an odor change a sign of a physical or chemical change?

Accepted Answer

chemical

Answer

physical

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