Chapter 6
Section 3
Thermal Energy and
States of Matter
Observations
1.
2.
3.
What is the matter in this
beaker made of?
What states of this matter are
present?
What will happen if it sits here
for a while?
Three States of Matter
1.
2.
3.
All _____ exists in 3 different
forms, they are _______,
_______ and _________
Are ice & liquid water made up
of the same substance?
How are ice and liquid water
different?
Three States of Matter
Solids
The _________ of a solid
don’t move out of place,
but they ________ back
and forth in one place.
2. Solids have a fixed ______
& a fixed ________.
1.
Liquids
The particles of a liquid
______ around, but they
are still held _____.
2. Liquids don’t have a fixed
______ but do have a fixed
______.
1.
Gases
The particles of gases
move _______, & they
don’t _____ together.
2. Gases don’t have a fixed
______ or _______.
1.
Draw each & identify the state
Explain at least 3 differences
between each picture.
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Changes of State
Changes of state depend
on ______ ______ being
absorbed or released.
2. What is thermal energy?
3. If you heat a solid, it will
________.
1.
Changes of State
4.
5.
6.
7.
What happens to matter when
you take heat away?
If you take heat away from a
liquid, it will ________.
If a liquid gains heat, it
_____________.
If a gas loses heat, it
__________.
Changes of State
During a change of state, the thermal
energy of an object _____________, while
the temperature ______ ____ _______.
Review
What are the 3 states of
matter?
2. How does a change of
state happen?
3. What is the difference
between boiling &
evaporating a liquid?
1.
Review
4.
5.
6.
Why does matter expand
when it is heated?
How many different forms or
states does matter exist in on
Earth?
What is the temperature at
which a solid changes into a
liquid called?
Review
When vaporization only
takes place at the surface
of a liquid, that is called
_____________.
8. What is the term used to
describe the expansion of
matter when it is heated?
7.
Review
What is one common way
thermal expansion is used?
10. What happens to substances
when they are cooled?
11.The most disorganized state
of matter is the _____ state.
9.
Review
12. During
a change of state, the
addition or loss of _________
energy changes the
arrangement of particles in the
substance.
13. A thermometer uses the ability of
liquids like alcohol and mercury
to ________ when heated.
Review
14. Boiling
is vaporization that takes
place at or ______ the surface of
a liquid.
15. As a substance changes state,
there is no change in the
__________ of the substance,
only in its thermal energy.
Review
16. In
hot and dry places, fountains
are used to cool down
backyards, how does this
happen?
Interactive Tutorials
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