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Review of Sound and Light energy, Electromagnetic Spectrum.

about sound

Decibel Scale of Common Sounds

Things the makes loud sounds.

Using sounds

Choose the correct answer.

movement of sound

Sound experiments

sound , heat , light

• What is the main function of the alveoli?

1. A) To transport oxygen to the tissues
2. B) To exchange gases between the air and blood
3. C) To produce mucus
4. D) To warm the incoming air

• How does oxygen move from the alveoli to the capillaries?

1. A) By active transport
2. B) By osmosis
3. C) By diffusion
4. D) By endocytosis

• What is the role of the trachea?

1. A) To absorb oxygen
2. B) To transport air to the lungs
3. C) To filter carbon dioxide
4. D) To produce sound

• Which of the following structures helps air travel to the lungs?

1. A) Alveoli
2. B) Bronchi
3. C) Diaphragm
4. D) Larynx

• Why is carbon dioxide removed from the blood in the alveoli?

1. A) To prevent acidity in the blood
2. B) To increase oxygen levels
3. C) To regulate the body's temperature
4. D) To help with digestion

Review of Sound and Light energy, Electromagnetic Spectrum.

Write the correct answer.

sound and vibration

Take a walk on Country near you and list the animals and sounds you can see and hear. Sort the items you find into those that are natural and man made.

Sound Energy ,Heat energy, Electrical energy

Sm sd 1 science sound

match the sounds correctly

Review of Sound and Light energy, Electromagnetic Spectrum.

Review of Sound and Light energy, Electromagnetic Spectrum.

Making sound