Metals

Sound

T7. Metals

October 23, 2025

We are learning to:

Describe the Group I alkali metals, lithium, sodium and potassium, as relatively soft metals with general trends down the group, limited to:
(a) decreasing melting point
(b) increasing density
(c) increasing reactivity
Predict the properties of other elements in Group I, given information about the elements

Group I elements

1 / 12

Slide 1: Slide

PhysicsSecondary EducationAge 13

This lesson contains 12 slides, with text slides.

Items in this lesson

Sound

T7. Metals

October 23, 2025

We are learning to:

Describe the Group I alkali metals, lithium, sodium and potassium, as relatively soft metals with general trends down the group, limited to:
(a) decreasing melting point
(b) increasing density
(c) increasing reactivity
Predict the properties of other elements in Group I, given information about the elements

Group I elements

Slide 1 - Slide

What would you expect if you drop a piece of sodium metal into a beaker of water?

Slide 2 - Slide

Slide 3 - Slide

timer

3:00

Activity 1 - Table and yes/no questions

Slide 4 - Slide

Slide 5 - Slide

timer

1:00

Activity 1 - Question 3

Slide 6 - Slide

Any questions?

Slide 7 - Slide

Slide 8 - Slide

timer

3:00

Activity 1 - Question 4

Slide 9 - Slide

Slide 10 - Slide

timer

3:00

Activity 2 - Question 1

Slide 11 - Slide

Any questions?

Slide 12 - Slide

Metals

Items in this lesson

Slide 1 - Slide

Slide 2 - Slide

Slide 3 - Slide

Slide 4 - Slide

Slide 5 - Slide

Slide 6 - Slide

Slide 7 - Slide

Slide 8 - Slide

Slide 9 - Slide

Slide 10 - Slide

Slide 11 - Slide

Slide 12 - Slide

More lessons like this

Why is there trash in the ocean? - Lesson Two

News quiz - Week 43 (20 seconds)

News quiz - Week 43 (30 seconds)

News quiz - Week 43 (10 seconds)

News quiz - Week 43 (30 seconds)

News quiz - Week 43 (10 seconds)

News quiz - Week 43 (20 seconds)

Science subjects - Inspiration slides