Lesson Three

Lesson Three: The Particle Theory of Matter

Today I am… learning about heat and particle theory

So I can… understand how heat affects the particles in an object

I’ll know I have it when… I can list the five points of particle theory

The estimated time to complete this lesson is 1 hour

By the end of the lesson...

You should be able to answer these questions:

What are the five points of particle theory?
How does energy affect the movement of particles?
What do the particles look like in each state of matter?

Lets Review

Last lesson we learned about temperature and thermometers. Try to answer these questions before we begin today:

What are some of the technologies that you can use to measure temperature?
What is the difference between heat and temperature?

How small can you go?

Before we get started, try to think of 10 things that are smaller than a basketball.

Was this hard to do?
How small were you able to go?

Write down your answers on a piece of paper!

This should only take about 5 minutes!

Click the link to learn more: https://www.popularmechanics.com/science/a17804899/here-is-a-photo-of-a-single-atom/

What are Particles?

Particles or atoms are what makes up everything in the universe. They are one of the smallest things that have been discovered by scientists so far.

The photo to the left is of a single strontium atom that was taken in 2018. This is the first time that we are able to see a single atom with the naked eye! Before, we needed really powerful microscopes.

To see how a single carbon atom compares to other small objects, click on the link below and use the slider bar!

https://learn.genetics.utah.edu/content/cells/scale/?fbclid=IwAR3YSjViTcDSx4CoyUV0Zs-K-ht95BlkleBLecJ3FC8JMSGERTPpY4C3n3o

The Particle Theory of Matter

The Particle Theory of Matter is a set of five points that help to explain how matter behaves.

All matter is made up of tiny particles called atoms
Even though we cannot see it, particles are moving randomly all the time
Each pure substance has its own type of particle
When these particles gain energy, they move faster and need more space
When these particles lose energy, they move slower and need less space

The energy that particles have is called kinetic energy! When particles move fast, they have a lot of kinetic energy. When they move slow, they have less kinetic energy.

What is matter?

Matter is everything! The three forms of matter that we are going to focus on are

Solids
Liquids
Gases

The particles in each form of matter behave a little bit differently.

In solids, the particles have the least amount of energy so they need less space
In liquids, the particles have more energy than solids so they need more space
In gases, the particles have the most energy so they need the most space

Time to get creative!

Now that you have learned the five points of the particle theory of matter, it is time to get creative! Create a cartoon, movie, PowerPoint, brochure or anything you like that explains each of the points of the particle theory of matter. The pictures or graphics you create should help you understand each of the statements in the theory. Be creative and have fun!

Your creation should have:

a title
each of the points of the particle theory
at least five drawings with colour

3.2 Particle Theory of Matter (Worksheet)

Test your understanding!

To make sure you understand the particle theory of matter, complete the worksheet to the left!

Before you go...

Make sure you can answer these questions so you know you have a good understanding of the material! Try to answer these questions before moving onto the next lesson:

What are the five points of particle theory?
How does particle movement change when energy is added?
How does particle movement change when energy is lost?

Take the quiz to make sure you're on the right track!

Resources

Find a variety of resources that correspond to this lesson to help enhance learning and understanding. The documents can either be printed off or opened and edited in Google Docs.

3. The Particle Theory of Matter

This fill in the blank worksheet is designed to accompany the slideshow. However, it can be used in conjunction with this web page.

3.1 The Particle Theory of Matter

To make sure that you have a good understanding of the particle theory of matter, complete the worksheet below.

3.2 Particle Theory of Matter (Worksheet)

The document below is a rubric that can be used to assign a grade to the particle theory cartoon that students create.

3.3 Particle Theory Cartoon Strip & Rubric

References

Nelson Thomas Learning. (1999). Nelson Science & Technology 7.
Thompson, A. (2018, February 13). Here is a photo of a single atom. Popular Mechanics. https://www.popularmechanics.com/science/a17804899/here-is-a-photo-of-a-single-atom/
University of Utah. (n.d). Cell Size and Scale. Teach. Genetics. https://learn.genetics.utah.edu/content/cells/scale/?fbclid=IwAR3YSjViTcDSx4CoyUV0Zs-K-ht95BlkleBLecJ3FC8JMSGERTPpY4C3n3o

Lesson Two

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