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

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

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The catapult magnifies your force to throw a pompom in this activity. The bigger the force, the aside from that the pompom goes.

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

Gadgets and also Contraptionsprintable guide

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Objectives

use ramps, pulleys, levers and also pendulums.

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Materials

A lever arm (e.g. Wooden ruler or jumbo popsicle stick)

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

Elastic bands

Spoons

Chalk or masking tape

A load (e.g. Pompoms)

Key Questions

deserve to you gain your pompom come 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 to Do

assemble the catapults ahead of time because that younger students.Create “target zones” top top the floor or a table making use of chalk or tape, based on your catapult’s range.Demonstrate exactly how to load and launch the catapults.Encourage youngsters to shot them out.Try adjusting the force you use v the catapults come fire the pompoms different distances into different zones (e.g. Press gently to relocate the fill a brief distance, push tough for a longer distance.

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Extensions

because that younger children, collection up the fulcrums of numerous catapults, each in a various position. i beg your pardon catapult flings the pompom farther? for older children, difficulty them to adjust the place of the fulcrum themselves and also see just how it influence the distance the pack travels. Hint: collection up the catapult with the fulcrum positioned so that it is least efficient at the begin of the exploration to encourage youngsters to adjust it. design template the target zones, such as water through alligators or castles v guards. Add boxes or buckets to target for. vain – who deserve to make their pompom take trip the furthest? Have children design and also decorate their very own catapult. Learn about the background of the catapult and trebuchet. explore teeter-totters and other levers in your neighbourhood. build a giant catapult outdoors and launch water balloons or pumpkins.