Yes? Then follow me! Hi! My name is DAG! Do you think you can build a vehicle that will get you to your school at the bottom of that hill? Yes? Then follow me! Hi! My name is DAG! I heard you missed your bus! How are you going to get that delicious cake you baked to your teacher?

Your Challenge In teams of 2, design a vehicle that can go down an inclined plane and stop as close to the target as possible.

RULES – Cycle 3 Mandatory material for designing your vehicle: a plastic bottle (2L max.) Vehicle must stop at targets: A and C

Are you wondering what a chassis is Are you wondering what a chassis is? We will soon do an activity that will help you understand what it is ! RULES – DESIGN PROCESS The maximum length permitted for the vehicle is 50 cm. The vehicle must roll down the inclined plane. Competitors must make their own wheels and axles from everyday objects. If participants use a chassis, they will have to make it themselves.

No hazardous products please ! I don’t want to get hurt ! RULES - DESIGN PROCESS Materials not permitted: Components that can cause injury or alter the competition area; Liquids; Hazardous products; Any chassis from a commercial toy; Wheels and axles coming from toys. Teams can make changes to their vehicle between rounds.

RULES – AT THE COMPETITION The team sets up their vehicle at the start zone. The wheels of their vehicle must be touching this zone. At the start signal, the team must release the vehicle - pushing is prohibited.

THE INCLINED PLANE Mandatory start zone The team sets up their vehicle at the start zone. The wheels of their vehicle must be touching this zone. Zone de départ obligatoire 3e cycle=The starting zone required for Cycle 3 students. Plan incliné=Inclined plane Box of paper #1 Inclined plane Box of paper #2

Now that you’ve seen the rules, let’s have some fun!

DID YOU KNOW? The wheel is considered one of the most important inventions created. It revolutionized work by making it easier to transport heavy loads. It also made it easier to move around.

HISTORY OF THE TIRE In 1888, John Dunlop obtained a patent for his invention : the first commercial pneumatic rubber tire. He filled an inflatable rubber tube with air, fitted it onto the metal wheel of his son’s tricycle… and invented the rubber tire!  Animation***

ACTIVITY 1 : Let’s Get Moving! Part A The wheel is a disc that rotates on its axis through its center. The wheel is a simple machine since it has an axle that allows it to turn on itself. The chassis is the frame that supports the vehicle. Axle Chassis Wheel

Activity 1 : Let’s Get Moving! Part B Look at the suggested material. We are going to find a way to build a simple rolling machine! Let’s try an activity to prepare us!

TIME TO USE YOUR IMAGINATION… Which everyday objects can be used to make wheels? Here are some more ideas. Bottle caps Corks Old compact discs Lids Spools or bobbins

TIME TO USE YOUR IMAGINATION… Which everyday objects can be used to make the axles? Here are some more ideas: AXLE Straws Wooden skewers Pencils Wooden dowels Empty pen or marker tubes PVC tubes

TIME TO USE YOUR IMAGINATION… Now that we’ve got all these great ideas, how would you answer the following questions? And how would you connect the axle and the wheels to your vehicle? How would you connect the axle to the wheels? Which objects would you use to connect the wheels to the axle? PS : Remember that you cannot pierce the plastic bottle! How would you connect the wheels together? Incredible! Here are some more ideas: Nuts and bolts Corks Brass fasteners Pipe cleaners Tape Beads White glue Plasticine Hot glue

CAUTION! The following slides propose examples of wheels and axles. You can choose to view them before, during, or after the activity.

Ideas for wheels and axles! Coroplast and wooden skewer Straw and wooden skewer Illustration : cdpsciencetechno.org Photos: Classe de Nathalie Michaud 1re année CSRDN

BUILD IT! Connect your wheels and axle to a chassis and test it!

What Happens When… - the wheels are not properly secured to the axle? - the axle is not secured to the center of the wheel ? - the axles are not the same length? - the axles are not placed parallel? - the wheels on an axle are not the same size?

What Happens When… continued - the wheels are different thicknesses? - the wheels are different sizes? - Different materials are used for the wheels (plastic, wood…)? - the vehicle is heavier or lighter? - the freedom of movement of the wheels on the axle varies?