Hypothesis for each project title

1. An investigation on how wind speed affect how quickly an object cools.

Hypothesis: The higher the wind speed, the quicker the object cools 

2. An investigation of the Greenhouse Effect.

Hypothesis: The more Co2 present in the air, the warmer the surrounding temperature will be.

3. An investigation on the effects of fertilisers on algal growth.

Hypothesis: If the concentration of fertiliser is higher, the faster the growth of algae.