What is a physical property?

a property that is observed or measured without changing the composition

What is a pure substance?

Substance containing only one atom or compound

Which is an example of a chemical change?

gasoline in an engine combusts to create exhaust

The study of matter, its properties, and how it interacts with things

What is a physical change?

When a substance changes from one state to another

substance made by mixing other substances together.

A heterogenous mixture...

contains two or more compounds mixed together.

What is a homogenous mixture?

A substance made up of 1 component with uniform composition

What is the "scientific method"?

A set sequence of steps used by scientists only

What is a chemical property?

is the ability of a matter to react with other substances

What is a chemical change?

A substance undergoes a reaction to become one or more different substances

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Introduction to Chemistry

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Questions 34

Answers

1
Which is an example of a physical change?
cutting hair
iron rusting
burning wood
vinegar and baking soda combining
2
What is a physical property?
A property that revolves around when it works out.
A property that revolves around how something acts.
a property that is observed or measured without changing the composition
3
Which is an example of a chemical change?
a cake baking in an oven
an ice cube melting
a pencil snapping in two
an eraser getting smaller
4
Which is an example of a chemical change?
burning wood
tearing paper
cutting wood
mixing salt and water
5
How many steps of the scientific method are there?
2
6
4
8
6
Which is an example of a chemical change?
rust forming on your bike
ice freezing
kool-aid dissolved in waer
paper cut into a heart
7
Which is an example of a chemical property?
mass
ability to burn
color
density
8
What is a pure substance?
Substance containing only one atom or compound
Substance that has a smooth surface
Substance with no broken Atoms
Substance that can mix with gold to make a shiny surface
9
What is the second step of the scientific method?
Questioning
Observation
Conduct an Experiment
Conclusion
10
Which is an example of a physical change?
Burning a piece of wood
Food digestion
Sharpening a pencil
An iron car rusting
11
Which is an example of a physical property?
Boiling Point
Toxicity
Flammability
Oxidation
12
Which is an example of a chemical change?
freezing water
bending a paper clip
gasoline in an engine combusts to create exhaust
crushing a pop can
13
What is chemistry?
The study of elements
The study of matter, its properties, and how it interacts with things
The study of mixtures
The study of all living things
14
What is the sixth and last step of the scientific method?
Conclusion
Observation
Law
Formulate Question
15
What is the fifth step of the scientific method?
Analysis
Formulate Question
Conclusion
Design an experiment
16
What is a physical change?
When a substance changes from one state to another
A change that DOES result in a new substance.
A change that often produces gas.
A change that CANNOT be reversed.
17
What is a MIXTURE?
substance with 1 ingredient
combination of 2 solutions
solution of at least 4 substances
substance made by mixing other substances together.
18
Which is an example of a physical change?
Burning a candle
A banana decaying
Baking a cake
Breaking a crayon in half
19
What is the fourth step of the scientific method?
Formulate a Hypothesis
Results
Formulate Question
Conduct an Experiment
20
What are the states of matter?
Solids, liquids, and gases.
Anything that has gravity.
Facts or information.
21
A heterogenous mixture...
is the same throughout.
looks like peanut butter.
is bad to the bone!
contains two or more compounds mixed together.
22
What is a homogenous mixture?
A mixture made up of different substances no same compostion
A substance made up of 1 component with uniform composition
23
What is the "scientific method"?
A series of steps with a set order of use
the general process by which we learn about the natural world
A set sequence of steps used by scientists only
A prediction based on previous knowledge
24
What is the third step of the scientific method?
Form a Hypothesis
Collecting & analyzing data
Conclusion
Reasoning
25
Which is an example of a physical property?
cost
number
color
place value
26
What is a chemical property?
One or more substances are created
is the ability of a matter to react with other substances
a property that is observed or measured without changing the composition
Observable without chemically changing the matter
27
Which is a chemical property?
Melting point
Density
Acidity
Dullness
28
What is the first step of the scientific method?
Observation
Formulate a Hypothesis
Conduct an Experiment
Conclusion
29
Which is a physical property?
ability to burn
ability to react with acid
ability to change state
ability to rust
30
Which is an example of a physical change?
A log burning
Milk clumping up from spoiling
Glass breaking
A nail rusting
31
What is a chemical change?
A substance undergoes a reaction to become one or more different substances
change in size, shape, form, or state of matter
solids, liquids, and gases
A change that CAN be reversed.
32
What is the fourth state of matter?
Greek
Condensation
Plasma
Sublimation
33
Which is an example of a chemical property?
density
sour taste
reaction with water
blue in color
34
Which is an example of a physical change?
apples flesh turning brown
a change in odor
Combining Mentos and Diet Coke
a change in shape

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