How the ear works

Parents just a Reminder

We are currently talking about the human body and how our body parts have different jobs. We are learning this by a lot of hands on experiments, and these can be found in your child's book. Please feel free to do these experiments again with your child. This would be a great review and perfect opportunity for your child to share what they have learned.

The end of the year is approaching very fast, and I wanted to take this time to tell you what a pleasure and enjoyment your children have been. Also, I wanted to thank you for all your participation and support!

Thank you ,
Miss Kayla

Learn about the Ear

Inside the ear: As sound enters the ear, the eardrum vibrates. This in turn makes tiny bones vibrate and the vibration passes to the inner ear, which then sends signals to the brain, along the ear's nerve.

When a sound enters your ears, it is changed into a signal. This travels to your brain, and you hear the sound. We will demonstrate how you can build a model ear to see how your ears do this.

What you will need: piece of card, cardboard tube, flashlight, plastic wrap, tape, rubber band, sheet of paper


Step 1: Strech the plastic wrap over the end of the tube. Then secure it with a rubber band.

Step 2: Roll the sheet of paper to a cone. Tape it together so that it does not unroll.

Step 3: Push the small end of the cone into the open end of the cardboard tube. Tape it in place.
Step 4. Stand the card up. Lay the tube in front of it.Shine the flashlight on the plastic wrap so that a spot of light appears on the card.

Step 5: Shout or sing loudly into the cone. The spot of light will shake very fast!!

Standards:
GLE 0207. Inq.2 Ask questions, make logical predictions, plan investigations, and represent data.

GLE 0207. Inq.3 Explain the data from an investigation.

GLE 0207.11.1 Investigate how vibrating objects produce sound.