Lesson 1 — Intro to sound

• Sound
• Basisschool
• Groep 2

Period 2

Sound

Sound waves

How we hear

Loudness

Waves — What are they? How do they work?

The speed of sound — making calculations

Echoes

Paragraph 5.1 – 5.7

This lesson

•  What we will cover this period.
• Sound — What comes to mind? — What do you know about sound?
•  How does sound work? — A small practical and demonstrations

Learning goals

•  You shared what sound means to you and what you already know about sound.
• You know the material for this period.
• You investigated how sound works in pairs of two.
• You can describe what sound is in your own words.

Sound

Answer the following questions in pairs of two, write down your answers:

• What comes to mind when you think about sound?
  
• What do you already know about sound?
  
• How is sound produced?

Investigations into sound

The scientific method

Prediction

Question

Test  the prediction

(Experiment)

Conclusion

Question — Do banana peels float in water?

Prediction — Yes/No

Test Prediction — Throw banana peel in water

Observation — Watch

Conclusion — Yes/No

Question — Do all fruit peels float on water?

The scientific method

Prediction

Question

Test  the prediction

(Experiment)

Conclusion

• Question: How is sound produced?

• Prediction: make your own prediction.

•  Experimentation

• Conclusion: what can you conclude?

Question — Do banana peels float in water?

Prediction — Yes/No

Test Prediction — Throw banana peel in water

Observation — Watch

Conclusion — Yes/No

Question — Do all fruit peels float on water?

How is sound produced?

Experimentation

Conclusion

What are your conclusions?

Sound is a vibration

Also called, a wave

Sound is a vibration (Also called, a wave)

Sound is a vibration (Also called, a wave)

Homework

Read: paragraph 5.1

Do: The yellow block exercises of 5.1

Learning goals

•  You shared what sound means to you and what you already know about sound.
• You know the material for this period.
• You investigated how sound works in pairs of two.
• You can describe what sound is in your own words.