Quiz about chemical vs physical

Question 1

Is a firefly lighting up a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 2

Is water melting a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 3

Is salt dissolving in water a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 4

Is digesting your food a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 5

Is a burning candle a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 6

Is getting a tan a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 7

Is melting iron a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 8

Is a car using fuel a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 9

Is bending copper wire a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 10

Is steam a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 11

Are hard boiled eggs a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 12

Is melting butter a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 13

Is adding sugar to your coffee a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 14

When things burn this is a chemical reaction called COMBUSTION.  What does every combustion reaction require?

Accepted Answer

Oxygen

Answer

Hydrogen

Answer

Carbon dioxide

Answer

Water

Question 15

Is getting sick with a fever a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 16

When baking soda and vinegar mix it creates a bubbly mess. Is this a chemical or physical change?

Accepted Answer

Chemical

Answer

Physical

Question 17

If liquid nitrogen is brought to a boil, is this a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 18

If a new substance is formed would this be a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 19

Which type of property is the ability to conduct electricity?

Accepted Answer

physical property

Answer

chemical property

Question 20

Example for physical property

Accepted Answer

odor

Answer

burns in air

Answer

reacts with water to create hydrogen gas

Answer

rust

Question 21

Example for chemical property

Accepted Answer

toxicity

Answer

color

Answer

hardness

Answer

solubility

Question 22

Example for physical property

Accepted Answer

taste

Answer

reacts with an acid

Answer

explodes

Answer

flammibility

Question 23

Example for physical property

Accepted Answer

melting point

Answer

flammability

Answer

reactivity

Answer

combustion

Question 24

Example for chemical property

Accepted Answer

combustion

Answer

malleability

Answer

texture

Answer

sour taste

Question 25

A change in which NEW substances are formed.

Accepted Answer

Chemical change

Answer

Physical change

Answer

Casual change

Answer

Formal change

Question 26

A copper penny turning greenish after a few years is an example of ...

Accepted Answer

Chemical Change

Answer

Physical Change

Question 27

Which of the following is NOT an example of a physical change?

Accepted Answer

sour milk

Answer

crumpled paper

Answer

pencil sharpening

Answer

shrunken clothing

Question 28

Which of the following IS a physical change?

Accepted Answer

Getting a haircut

Answer

Rusty metal

Answer

sour milk

Answer

A compound

Question 29

Is melting butter for popcorn a chemical or physical change?

Accepted Answer

physical

Answer

chemical

Question 30

Ripping up paper ...

Accepted Answer

Physical Change

Answer

Chemical Change

Question 31

Is a rusting bicycle a chemical or physical change?

Accepted Answer

chemcial

Answer

physical

Question 32

A change in phase ...

Accepted Answer

Physical Change

Answer

Chemical Change

Question 33

Bubbles form when two or more substances are combined ...

Accepted Answer

Chemical Change

Answer

Physical Change

Question 34

Change in size ...

Accepted Answer

Physical Change

Answer

Chemical Change

Question 35

To go back to the substances original states is not possible or you would need to use chemicals.

Accepted Answer

Chemical

Answer

Physical

Question 36

Causes a change in temperature ...

Accepted Answer

Chemical Reaction

Answer

Physical Reaction

Question 37

Causes a change in odor ...

Accepted Answer

Chemical Reaction

Answer

Physical Reaction

Question 38

Evidence of Chemical Change.

Accepted Answer

New Substance

Answer

Size change

Answer

State change

Answer

Mixture

Question 39

Evidence of a physical change.

Accepted Answer

Shape Change

Answer

New substance

Answer

Light produced

Answer

Gas released.

Question 40

True or False: a physical change may produce a new substance.

Accepted Answer

False

Answer

True

Question 41

What happens in ALL chemical changes?

Accepted Answer

A new substance is formed

Answer

Change in state of matter

Answer

Bubbles are produced

Answer

An explosion

Question 42

Is milk going sour a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 43

Is mold growing on cheese a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 44

Is making orange juice a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 45

Is sharpening a pencil a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 46

Is the formation of the grand canyon a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 47

Is copper tarnishing a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 48

In an exothermic reaction, energy is _________.

Accepted Answer

Released

Answer

Absorbed

Answer

Stored

Answer

Doubled

Question 49

In an exothermic reaction, energy is _________.

Accepted Answer

Released

Answer

Absorbed

Answer

Stored

Answer

Doubled

Question 50

Which is NOT a physical property?

Accepted Answer

explosiveness

Answer

mass

Answer

hardness

Answer

freezing point

Question 51

Which is a chemical property?

Accepted Answer

potassium will react with water producing heat

Answer

potassium is a soft metal

Answer

potassium is a silver color

Answer

potassium is a solid at room temperature

Question 52

Which is a physical change?

Accepted Answer

sugar dissolving in water

Answer

pennies turn green in water

Answer

charcoal gives off heat when burned

Answer

baking soda & vinegar bubble

Question 53

All of these are chemical properties EXCEPT

Accepted Answer

density

Answer

reactivity

Answer

flammablility

Answer

corrosiveness

Question 54

Which is NOT a physical property of water?

Accepted Answer

it decomposes into hydrogen & oxygen

Answer

sugar dissolves in it

Answer

its colorless

Answer

its boiling point is 100⁰C

Question 55

Which are chemical processes?

Accepted Answer

rusting of a nail

Answer

freezing of water

Answer

compression of oxygen gas

Answer

boiling of water

Question 56

Which of the following is extensive?

Accepted Answer

mass

Answer

viscosity

Answer

melting point

Answer

density

Question 57

Sublimation is a

Accepted Answer

physical change

Answer

chemical change

Question 58

A physical change is...

Accepted Answer

a change that doesn't change the identity

Answer

a change that makes something new.

Answer

a chemical reaction

Question 59

Which of the following is a sign that a chemical reaction has occurred?

Accepted Answer

formation of a gas

Answer

change in shape

Answer

melting

Answer

dissolving

Question 60

Is melting butter for popcorn a chemical or physical change?

Accepted Answer

physical

Answer

chemical

Question 61

A solid piece of chocolate is melted and changed to liquid form. Which property of the piece of chocolate will remain the same?

Accepted Answer

Mass

Answer

Texture

Answer

Temperature

Answer

Shape

Question 62

Freezing Juice?

Accepted Answer

Physical Change

Answer

Chemical Change

Question 63

Change in color is a physical change.

Accepted Answer

False

Answer

True

Question 64

A change where one or more new substances are created.

Accepted Answer

Chemical Change

Answer

Physical Change

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