This enjoyable elf-themed basketball STEM problem is a superb hands-on science exercise for studying about switch of vitality. The concept is to construct a lolly stick catapult and a basketball internet for an elf!
You might set this up as a prepared made exercise and encourage kids to experiment utilizing totally different projectiles on the catapult. Small pom pom balls and ping pong balls work effectively! Or, one other thought is to depart directions and supplies out so kids can construct their very own creations!
If you wish to make the exercise extra structured, use my FREE directions and template on the backside of the publish.
Elf Basketball STEM Problem
You will want
- Vast popsicle sticks/ lolly sticks
- Straw
- Clay or play dough
- Small paper cup
- Desk tennis balls
- Pom Pom Balls
- Tape
- Elastic Bands
- Milk bottle prime
- Cardboard
- Pens
Directions
Comply with my straightforward lolly stick catapult directions or watch the video beneath.
Construct a mini basketball hoop. Use our design for inspiration.
Take a look at your basketball hoop and catapult.
Strive pushing the catapult arm all the way in which down, then midway, to see how that impacts the ball’s flight.
Experiment with a desk tennis ball, pom poms and even marshmallows.
How does a catapult work?
When the catapult arm is pushed down, it shops potential vitality, which is transferred to the ball as kinetic vitality when the arm is launched.
Because the ball flies increased, it begins to decelerate. The ball’s kinetic vitality is quickly transformed to potential vitality because it good points peak. Because the ball begins to fall, it quickens once more, and the saved potential vitality is turned again into kinetic vitality. Gravity appearing on the ball provides it a curved path by means of the air.
Components that have an effect on a lollystick catapult
The quantity of saved vitality – the additional the catapult arm is pushed down, the extra elastic potential vitality is saved, so the ball flies additional.
The angle of the launch – for max horizontal distance of flight, the launch angle ought to be about 45 levels.
The load of the ball—lighter projectiles often fly additional than heavier balls when the identical quantity of pressure is used, as much less pressure is required to speed up them.
Flexibility of the sticks and elastic bands – extra versatile supplies can retailer extra vitality.
FREE Elf Basketball STEM Problem Sheet
This free pack features a easy one-page worksheet and a extra detailed three-page design and analysis pack.
Should you like this concept, check out my 24 days of FREE elf exercise concepts!!
Final Up to date on November 28, 2025 by Emma Vanstone
