Matter is everywhere

• Science
• 3rd Grade

Matter is everywhere

What are we doing today?

• Brief introduction - Who am I?
• What is matter?
• Three main stages of matter
• How do we know matter exists? (+ a short video)
• Team exercise: is it matter or not?
• Summary of today's lesson
• Question time

• Born and raised in Belgium (Europe)
• Science and math where my favorite subjects in school
• Studied engineering
• Worked as an engineering for 15 years
  
• Love helping others and believe strongly in teamwork

What is matter?

matter (noun):

- the substance of which a physical object is composed

- material substance that occupies space, has mass, and is composed predominantly of atoms 

(Merriam-Webster dictionary)

What is matter?

1. Anything that has mass
2. Anything that takes up space
3. Anything made of atoms
4. All of the above

Examples of matter

States of matter

• Matter exists in several different forms, called states. 
• The three most familiar states are solid, liquid, and gas.
• Matter can change from one state to another for instance by heating (melting ice into water) or cooling (freezing water into ice).

Solid

• matter in this state has a fixed size and shape

• examples: a rock, a book or a table

Liquid

• matter in this state has a fixed size but it's shape depends on the container it is in

• example: milk changes shape when we pour it from a carton in a glass, the shape changes but the amount stays the same

Gas

• matter in this state has not a fixed size nor shape but can be expanded to fill a large container or squeezed into a smaller container

• example: air or helium in a balloon

States of matter

How do we know matter exists, even if it cannot be seen?

Team exercise 

Review the table and find the mistake(s)

Matter or not?

Trees

1. Matter
2. Not matter

Matter or not?

Friction

1. Matter
2. Not matter

Matter or not?

Water

1. Matter
2. Not matter

Matter or not?

Carbon dioxide (part of the air)

1. Matter
2. Not matter

Matter or not?

Snow

1. Matter
2. Not matter

Matter or not?

Love

1. Matter
2. Not matter

Matter or not?

Blood

1. Matter
2. Not matter

Matter or not?

Nitrogen (part of the air)

1. Matter
2. Not matter

Matter or not?

Bacteria

1. Matter
2. Not matter

Matter or not?

Sound

1. Matter
2. Not matter

Matter or not?

Grass

1. Matter
2. Not matter

Matter or not?

Energy

1. Matter
2. Not matter

Matter or not?

Plastic

1. Matter
2. Not matter

Matter or not?

Happiness

1. Matter
2. Not matter

Summary of today's lesson

• matter: everything that takes up space and has a mass

• 3 most common states of matter: solid (ice), liquid (water) and gas (air)

Questions?