Science Max: Energy Storage and Spool Racer Quiz

What is the main topic of this episode of Science Max?

• The history of science experiments

• How to build a rocket

• Storing and using energy

• The importance of science ribbon

Which material is not essential for building the spool racer?

• Elastics

• Science ribbon

• Washer

• Pencil

What is the purpose of the popsicle stick in the spool racer?

• To make it spin faster

• To decorate the spool

• To hold the elastics in place

• To add weight

How does the spool racer move?

• By blowing air on it

• By releasing stored energy in the elastic

• By using a motor

• By pushing it with your hand

Why does the elastic in the spool racer want to unwind?

• Because it is made of rubber

• Because it is coiled and stores energy

• Because it is attached to the pencil

• Because it is too tight