Prediction lever screw and axle.Prediction lever screw and axle.

By Chris and BrodieBy Chris and Brodie

CardCard scissorsscissors A card board box 20cm longA card board box 20cm long Paper fastenersPaper fasteners 4 card board circles4 card board circles glueglue

1.1. Cut out a rectangle of card Cut out a rectangle of card 2.2. Cut out 20cm long and 2cm wide and fold 5cm of it Cut out 20cm long and 2cm wide and fold 5cm of it 3.3. Make a 27cm long 2cm wide strips of card.Make a 27cm long 2cm wide strips of card.4.4. Cut out a 12cm long 2cm wide.Cut out a 12cm long 2cm wide.5.5. Put the 12cm long card on the back of the digger.Put the 12cm long card on the back of the digger.6.6. Join the 27cm long card to the 12cm card and to the Join the 27cm long card to the 12cm card and to the

scoop and do it again on the other side scoop and do it again on the other side 7.7. Make a 27cm long card and join to it.Make a 27cm long card and join to it.8.8. Draw four circles four wheels.Draw four circles four wheels.

Our digger works because of a lever.Our digger works because of a lever. It works by pulling a card at the back of It works by pulling a card at the back of

the digger.the digger. The part of the lever where the paper The part of the lever where the paper

fasteners are is a fulcrum.fasteners are is a fulcrum. The wheels on the digger helps the The wheels on the digger helps the

digger move.digger move.

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