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States of Matter Review: What are the three states of matter?

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Page 1: States of Matter - Weeblyclassfromhome.weebly.com/.../4/...states_of_matter.pdf · States of Matter Solid: has a definite shape and volume. The shape of solid matter does not depend

States of Matter

Review:

What are the three states of matter? 

Page 2: States of Matter - Weeblyclassfromhome.weebly.com/.../4/...states_of_matter.pdf · States of Matter Solid: has a definite shape and volume. The shape of solid matter does not depend

States of Matter

Page 3: States of Matter - Weeblyclassfromhome.weebly.com/.../4/...states_of_matter.pdf · States of Matter Solid: has a definite shape and volume. The shape of solid matter does not depend

States of Matter

From your worksheet:

1. Three items you found easy to classify 

2. Three items you found more difficult to classify. 

3. How did you sort the items?

Page 4: States of Matter - Weeblyclassfromhome.weebly.com/.../4/...states_of_matter.pdf · States of Matter Solid: has a definite shape and volume. The shape of solid matter does not depend

States of Matter

Solid: has a definite shape and volume.

 

The shape of solid matter does not depend on the shape of the container holding it. 

Liquid: flows, has a fixed volume, and takes the shape of its container. 

Gas: takes the shape and volume of its container. 

Plasma: found in outer space

comes mostly from stars, and helps cause the northern lights.

Page 5: States of Matter - Weeblyclassfromhome.weebly.com/.../4/...states_of_matter.pdf · States of Matter Solid: has a definite shape and volume. The shape of solid matter does not depend

States of Matter

Solids do not change their shape or volume depending on their container.

How do you think life would be different if they did change their shape and volume easily?

Page 6: States of Matter - Weeblyclassfromhome.weebly.com/.../4/...states_of_matter.pdf · States of Matter Solid: has a definite shape and volume. The shape of solid matter does not depend

States of Matter

What are the words called when we go from one to the other? 

Page 7: States of Matter - Weeblyclassfromhome.weebly.com/.../4/...states_of_matter.pdf · States of Matter Solid: has a definite shape and volume. The shape of solid matter does not depend

States of Matter

What temperature do you think water freezes at? 

What temperature do you think ice melts at?

What temperature do you think water boils at? 

Page 8: States of Matter - Weeblyclassfromhome.weebly.com/.../4/...states_of_matter.pdf · States of Matter Solid: has a definite shape and volume. The shape of solid matter does not depend

States of Matter

What temperature is the fridge?

What temperature is the freezer?

What temperature is the water when the kettle turns off?

Page 9: States of Matter - Weeblyclassfromhome.weebly.com/.../4/...states_of_matter.pdf · States of Matter Solid: has a definite shape and volume. The shape of solid matter does not depend

States of Matter

All substances have a melting point and a boiling point.

The melting point of water is 0 degrees Celsius. 

The boiling point of water is 100 degrees Celsius.

Page 10: States of Matter - Weeblyclassfromhome.weebly.com/.../4/...states_of_matter.pdf · States of Matter Solid: has a definite shape and volume. The shape of solid matter does not depend

States of Matter

Change of State What Happens

Solid changes to a liquid.

Liquid changes to a gas. 

Gas changes to a liquid. 

Liquid changes to a solid. 

Solid changes to a gas. 

Gas changes to a solid. 

Copy this chart down and try to fill it in on your own before we go over it together. 

Page 11: States of Matter - Weeblyclassfromhome.weebly.com/.../4/...states_of_matter.pdf · States of Matter Solid: has a definite shape and volume. The shape of solid matter does not depend

States of Matter

Together, let's fill in the blanks of this story: 

A _________________ gently floated down from the sky on a cold,

 winter evening. It lay on the ground in the _______________ state

 until spring. Then, as the temperature warmed up, the snowflake 

_____________________, changing into the _______________ 

state. It turned into _____________________ and flowed into a 

puddle in the yard. Soon, the temperature warmed up even more 

and the ground became very hot. The drop of water in the puddle

 ____________________ and changed into the __________state. 

It was now ______________________. Moving into the sky, the 

water vapour floated around and evnetually cooled, 

________________________, and changed into the __________ 

state. it fell back to Earth as a _______________. The water cycle 

had been completed once again :). 

Page 12: States of Matter - Weeblyclassfromhome.weebly.com/.../4/...states_of_matter.pdf · States of Matter Solid: has a definite shape and volume. The shape of solid matter does not depend

States of Matter

Page 13: States of Matter - Weeblyclassfromhome.weebly.com/.../4/...states_of_matter.pdf · States of Matter Solid: has a definite shape and volume. The shape of solid matter does not depend

States of Matter

Reversible and Non­Reversible Changes

What do these two words mean? 

What is a change that could be reversible?

What is a change that would be non­reversible?

Page 14: States of Matter - Weeblyclassfromhome.weebly.com/.../4/...states_of_matter.pdf · States of Matter Solid: has a definite shape and volume. The shape of solid matter does not depend

States of Matter

Melting an ice cube is a change of state. 

It goes from a ____________ state to a _________________state. 

Is this reversible? How do you know?

Page 15: States of Matter - Weeblyclassfromhome.weebly.com/.../4/...states_of_matter.pdf · States of Matter Solid: has a definite shape and volume. The shape of solid matter does not depend

States of Matter

We heated the ice cube to make water, and it was reversible. 

Is the same true if I heat a marshmallow?

Page 16: States of Matter - Weeblyclassfromhome.weebly.com/.../4/...states_of_matter.pdf · States of Matter Solid: has a definite shape and volume. The shape of solid matter does not depend

States of Matter

Reversible means you can change a substance back to the way it was before the change of state happened.

It also means its characteristics do not change. 

If I cut a piece of paper in half, I can't exactly put it back together without tape, but I haven't changed the properties of the paper. 

Non­reversible means that a new product is formed after the substance goes through a change of state.