Science Fenns / Forces and machines
Motion Workshop
Ramps, magnets, gears and kites. If it moves, somebody built it in here first.
Grandpa Fenn’s room
What is in this room?
Tap the glowing dots. Find all 6 things.
Each one has something to learn.
0 of 6 foundPoppy’s experiment
Ramp race
Pick two balls, a floor, and a steepness. Then race them. This is a model, so it ignores air.
Poppy’s quiz
Poppy has five questions for you
Grandpa Fenn’s story
The Ramp Race
Two balls sat at the top of the ramp. One was a marble. The other was a ping-pong ball.
“Which one wins?” asked Omar.
“Guess first,” said Ms. Lee.
Omar guessed the ping-pong ball. It was so light.
Ms. Lee let go. The marble zipped down and was waiting at the bottom while the ping-pong ball was still rolling.
“Why?” Omar asked.
“The marble is solid all the way through. The ping-pong ball is hollow, and that changes how it rolls. Now try it again. This time, make the ramp steeper.”
Omar was already stacking more books.
Grandpa Fenn’s notebook
Say it like a scientist
A push or a pull.
The force that slows things that rub together.
The force that pulls everything toward Earth.
How far something goes in a certain time.
A tool that makes work easier, like a ramp, lever or wheel.
Go further
Take a journey
A guided trip with Grandpa Fenn and Poppy. Stops to explore and questions to answer.
Race DayRace a car down a ramp and push a cart to the flag.
The Magnet WorkshopSort the drawer. Test how far a magnet can reach.
