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Slide 1: Diapositive
ScienceLower Secondary (Key Stage 3)

Cette leçon contient 25 diapositives, avec quiz interactifs, diapositives de texte et 1 vidéo.

Éléments de cette leçon

Slide 1 - Diapositive

Which wave is a longitudinal wave?
A
A
B
B

Slide 2 - Quiz

What type of wave is this?
A
Transverse
B
Longitudinal

Slide 3 - Quiz

What type of wave is this?
A
Transverse
B
Longitudinal

Slide 4 - Quiz

What type of wave is this?
A
Transverse
B
Longitudinal

Slide 5 - Quiz

This type of wave vibrates perpendicular to the direction it travels.
A
Longitudinal
B
Transverse
C
Both

Slide 6 - Quiz

This type of wave transfers energy.
A
Longitudinal
B
Transverse
C
Both

Slide 7 - Quiz

Sound is a .......... wave.
A
Longitudinal
B
Transverse
C
Both

Slide 8 - Quiz

Light is a ........... wave
A
Longitudinal
B
Transverse
C
Both

Slide 9 - Quiz

Fill the gaps.
In a transverse wave the vibrations are ............................ to the direction the wave travels.
In a longitudinal wave the vibrations are ............................ to the direction the wave travels.
Perpendicular
Parallel

Slide 10 - Question de remorquage

Sort the statements.
Transverse waves
Both
Longitudinal waves
Transfer energy
Involve vibrating particles
Light waves
Sound waves
Vibrate parallel to direction of energy transfer.
Vibrate perpendicular to direction of energy transfer.

Slide 11 - Question de remorquage

Slide 12 - Diapositive

Slide 13 - Diapositive

Which box shows a vacuum?
A
A
B
B

Slide 14 - Quiz

Match the keywords to the diagrams.
Solid
Liquid
Gas
Vacuum

Slide 15 - Question de remorquage

Why does the film alien use the tag line, 'in space no one can hear you scream'?

Slide 16 - Question ouverte

Sound waves must travel through a medium. What is the medium here?

Slide 17 - Question ouverte

Sound waves must travel through a medium. What is the medium here?

Slide 18 - Question ouverte

Tin can telephones can communicate short distances. What is the medium here?

Slide 19 - Question ouverte

Earthquakes can transfer huge amounts of energy. What is the medium?

Slide 20 - Question ouverte

Match the keywords to the definitions.
The distance that particles move when a sound wave passes.
Vibrations passing through a solid, liquid or a gas.
The number of waves per second.
A substance (solid, liquid or gas).
Amplitude
Frequency
Medium
Sound wave

Slide 21 - Question de remorquage

Slide 22 - Vidéo

Slide 23 - Diapositive

Slide 24 - Diapositive

Why does sound travel slower in a gas than in a solid?

Slide 25 - Question ouverte