HOT AIR VS COLD AIR

HYPOTHESIS

• We are going to test if hot air is better than cold air to push a sailboat

WHAT DID WE ASK OUR SELF

• Which could blow furthest the cold air or the warm air

Untitled Slide

HOW WE CAME UP WITH THIS IDEA

• We asked ourselves where we would rather get lost at sea in a tropical climate or cold climate.

SAFETY

• When we where doing our project we made sure that no one was walking or messing around us.

PREDICTION

• My prediction was that the cold air was going to send the little car the furthest.

RESULTS OF THE WARM AIR

• 146 cm
• 217 cm
• 116 cm
• 192 cm
• 106 cm
• 209 cm
• 195 cm
• 135 cm
• And the average is 164.5 cm

RESULTS OF THE COLD AIR

• 92 cm
• 74 cm
• 77 cm
• 163 cm
• 228 cm
• 175 cm
• 169 cm
• 153 cm
• And the average is 141.375 cm

PROCEDURE

• We got a toy car and made a little piece of paper on top of the car and made the car move with a hairdryer.