Prediction lever screw and axle. By Chris and Brodie

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Presentation transcript:

Prediction lever screw and axle. By Chris and Brodie Making a mechanical digger Prediction lever screw and axle. By Chris and Brodie

Materials Card scissors A card board box 20cm long Paper fasteners 4 card board circles glue

steps Cut out a rectangle of card Cut out 20cm long and 2cm wide and fold 5cm of it Make a 27cm long 2cm wide strips of card. Cut out a 12cm long 2cm wide. Put the 12cm long card on the back of the digger. Join the 27cm long card to the 12cm card and to the scoop and do it again on the other side Make a 27cm long card and join to it. Draw four circles four wheels.

results Our digger works because of a lever. It works by pulling a card at the back of the digger. The part of the lever where the paper fasteners are is a fulcrum. The wheels on the digger helps the digger move.

conclusion Our prediction was correct because there are wheels and a lever.