P3–2A–002–29-01-2020-Recap periodic table, elements and phase changes

• Natuurkunde / Scheikunde
• Middelbare school
• vwo
• Leerjaar 2

This lesson

• Creating an overview of matter
• States of matter
• Working independently
• A questionaire

elements

The buidling blocks of (most) mass. - Atoms

Iron, carbon, oxygen...

A Molecule

A combination of elements that have bonded. – bonded atoms

H₂0, CO_2, NaCl, H₂

Goals

• Create an overview for this period
• Explain the difference between molecules and elements

• Name the three states of matter + properties + Phase changes
• Explain phases  and phase changes in terms of particles and energy

What are the three states of mattter?

What states of matter do you see?

What states of matter do you see?

What states of matter do you see?

What are phase changes?

What phase changes happen here?

What phase change happened here?

desublimation

Solid

Liquid

Gas

• Fixed shape
• Fixed volume

• Takes the shape of its container
• Fixed volume

• Fills container
• Volume changes

Melting

evaporating

solidifying/freezing

condensing

Desublimation

sublimation

Solid

Liquid

Gas

• Fixed shape

• Fixed volume

• Takes the shape of its container

• Fixed volume

• Fills container

• Volume changes

Melting

vaporaisation

solidifying/freezing

condensing

Desublimation

sublimation

Adding heat

Removing heat

What did we cover this lesson?

Goals

• Create an overview for this period
• Explain the difference between molecules and elements

• Name the three states of matter + properties + Phase changes
• Explain phases  and phase changes in terms of particles and energy

About next lesson

Homework:

Exercises §5,5 + § 5,6