NATURAL S. LESSONS AND HOMEWORK

Tuesday 10/05/22

Summary from page 56, copy it in your notebook

Corrections

Sound: Vibrations that we can hear

Noise: Unwanted sound

Noise pollution: Excessive noise that may disrupt the balance of human or animal life. It can cause hearing loss, stress, heart attacks, lack of sleep,...

Wednesday 11/05/22

Read page 58 and 59 and copy and complete the following diagram in your notebook.

LIGHT

1) LIGHT SOURCES can be:

- _________light sources are___________. The light energy is transformed from other energy source like__________ or__________.

- ___________light sources, are found in ___________. For example________________.

2) SPEED: Light travels at about_______________km/second.

3) DIRECTION: Light can travel in ____________ or in __________ lines called__________.

4) COLOUR: As humans we can see the light in colour __________ although it is made up of all colours. When light comes in contact with othe object, it can be __________, ___________or _________.

HOMEWORK

Look for the meaning of the following words and write examples:

Transparent

Translucent

Opaque

Thursday 12/05/22

Correcciones:

Draw this picture in your natural science notebook