Details activity Length 20–30 mins. Subject Forces and also Motion Activity type Exploration Language English print

A catapult is a lever, a stick or beam propped increase by a fulcrum (a pivoting point). A lever will magnify the force you placed on it if the fulcrum (the pivoting point) is closer to your force than the is come the load.

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The catapult magnifies your pressure to throw a pompom in this activity. The bigger the force, the farther the pompom goes.

These activities are component of science World"s big Science for tiny Hands program. They to be developed and tested v Preschool and also Kindergarten educators.

Gadgets and also Contraptionsprintable guide

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Objectives

usage ramps, pulleys, levers and also pendulums.

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Materials

A bar arm (e.g. Wooden leader or jumbo popsicle stick)

A round fulcrum (e.g. Spool of thread or fat marker)

Elastic bands

Spoons

Chalk or masking tape

A fill (e.g. Pompoms)

Key Questions

deserve to you gain your pompom to the target/across the "water"? How can you readjust the street the pompom travels? Where need to the pivot allude (fulcrum) it is in positioned to do the pompom take trip the shortest distance?

What come Do

assemble the catapults front of time because that younger students.Create “target zones” ~ above the soil or a table using chalk or tape, based on her catapult’s range.Demonstrate how to load and launch the catapults.Encourage youngsters to shot them out.Try adjusting the force you use through the catapults to fire the pompoms different distances into different zones (e.g. Press gently to relocate the pack a quick distance, push difficult for a longer distance.

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Extensions

for younger children, collection up the fulcrums of several catapults, each in a various position. i m sorry catapult flings the pompom farther? for older children, challenge them to adjust the place of the fulcrum themselves and also see exactly how it affects the street the pack travels. Hint: set up the catapult through the fulcrum positioned so the it is least effective at the begin of the expedition to encourage kids to change it. design template the target zones, such together water with alligators or castles through guards. Include boxes or buckets to target for. compete – who deserve to make your pompom take trip the furthest? Have children design and also decorate their own catapult. Learn around the background of the catapult and trebuchet. explore teeter-totters and also other levers in her neighbourhood. develop a giant catapult outdoors and launch water balloons or pumpkins.