Design Technology Chinese Inventions Chinese Inventions China has

Design Technology: Chinese Inventions

Chinese Inventions China has been the source of many great innovations, scientific discoveries and inventions. These include. . .

Chinese Inventions • The Waterwheel • The Wheelbarrow

Chinese Inventions • The Crossbow • Kites (used for war and science)

Chinese Inventions • The Sundial • The Folding Umbrella

Chinese Inventions The most important are known as The Four Great Inventions: • Papermaking • Gunpowder • The compass • Printing Find out more in this video: https: //www. youtube. com/watch? app=desktop&v =1 Uk. BLC 8 a 1 Bc&safe=true

Today, we will learn how to make. . . no, not gunpowder. . . … a compass.

You will need: • A magnet • A bowl of water • A piece of card • A needle • A pair of scissors Follow this video tutorial: https: //www. youtube. com/watch? v=4_t. QQFHp. Sa 4&safe=true Or the instructions in the following slides.

Make Rub the magnet over the needle about 20 times.

Make Cut a circle out of the card. (about 5 cm in diameter)

Make Write an 'N' and an 'S' on the card to show north and south. You can add more detail if you want to.

Make Fold the card in half.

Make Place the needle on the card, with the point of the needle on the 'N'.

Make Gently place the card on the surface of the water. It should move to point north. You can check this out with a compass if you have one.

Evaluate • What went well? • Is there anything you would change? • Send in photos of your compass.