Science, DT, Maths
Literacy (instructions, labelled diagrams)
A series of lessons
System thinking, Adapting, Visualizing, Improving
Cardboard, BBQ sticks, glue gun, masking tape, six 10ml syringes (per crane), 3mm plastic pipe, cardboard cutters/good scissors, plastic ties.
Measure and cut cardboard shapes to make a crane like structure. Use syringes to act as hydraulics.
Present pupils with the challenge question. Can I move a small object from one place to another using hydraulics?
Cut and measure parts of a crane like structure. (You might need to draw out a template first)
Mark and make holes in the cardboard where the pivots are.
Line up the cardboard structure. Push BBQ skewers in holes.
Drill holes in top ends of syringes.
Ties plastic ties on the bottom of syringes.
Put into place with skewers.
Fill Fix the plastic tube on the syringes.
Now make the grab.
You need to look the video clip/pictures to get an idea of what it might look like.
Support with cutting and fixing.
Challenge by getting the crane to turn on its base.
Test your crane structure and see if it is strong enough to lift various items.
How are the forces acting on the structure of the crane.