Our bodies: change and movement (p3)

Licencia de Creative Commons
Jesús Manzaneque & María Montes

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 Bones  

Vídeo de YouTube

 Muscles  

Vídeo de YouTube


How the body works

Make an articulated arm

Materials:
• Two pieces of construction paper 30 X 50 cm
• Washer and hooks
• Scissors
• Glue
• A butterfly clip
• A piece of string
• An elastic band

 

Instructions:

Draw the outline of your hand on a piece of construction paper. Cut it out, and glue one end to construction paper A.

Join the two pieces of construction paper using the butterfly clip, and place the hooks along the edges as shown in the diagram.

Cut the string and an elastic band to a length of about 20cm, and pass them through the hooks as shown in the diagram. Tie the end of the string to the washer so that when you pull the washer, the arm bends.


Make a model of the human skeleton to practise the bones

 

MATERIALS:
The templates of the bones of the skeleton and cotton thread.

 Download the template here 

PROCEDURE:

1. Cut out the templates of the bones.

2. As you add a bone to the model skeleton, say the name and write it on the back.

3. Make the skeleton, sewing together the bones with the cotton thread so that it looks like the one in the picture.

 

- What are the bones in the arms and legs like?

 What is the backbone like?

 How many joints are there in the skeleton?

- Where are most of them?

- Why?