Acids and Alkalis

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Slide 1: Slide
ScienceLower Secondary (Key Stage 3)

This lesson contains 15 slides, with interactive quizzes, text slides and 1 video.

Items in this lesson

Slide 1 - Slide

Slide 2 - Slide

Slide 3 - Slide

If you spill acid or alkali in class, what should you do?

Slide 4 - Open question

Sort the keywords into the correct box.
Acid
Alkali
Both
Sour
Bitter
Irritant
Corrosive
Lemons
Vinegar
Toothpaste
Soap
Bleach
Wear googles

Slide 5 - Drag question

Which solution is more corrosive?
A
A
B
B

Slide 6 - Quiz

Slide 7 - Video

Slide 8 - Slide

This acid is...
A
Weak
B
Strong

Slide 9 - Quiz

This acid is...
A
Weak
B
Strong

Slide 10 - Quiz

This acid is...
A
Weak
B
Strong

Slide 11 - Quiz

Match the keyword to the definition.
Lots of acid particles in less solvent.
Few acid particles in lots of solvent.
All the acid particles split up when dissolved.
Some acid particles split up when dissolved.
Concentrated
Dilute
Strong
Weak

Slide 12 - Drag question

Match each diagram to the correct description.
strong & dilute
strong & concentrated
weak & dilute
weak & concentrated

Slide 13 - Drag question

How would you make a dilute acid solution?

Slide 14 - Open question

A pupil has a dilute solution of weak lemon juice and a concentrated solution of strong bleach. What hazard symbol should she use to label each solution? Explain your choice.

Slide 15 - Open question