Friday 6 July 2012

Mealworm Experiment-Stage 2

TRIAL EXPERIMENT

"Do mealworms prefer bright or dark surfaces?"

Aim: To find out if mealworms prefer bright or dark surfaces.

Hypothesis:  Mealworms prefer darker surfaces to brighter surfaces.

Materials: Black box with small opening, torchlight, timer 

Procedures: 

  1. Put the mealworms in the black box with small opening.
  2. Shine light with the torch through the small opening.
  3. After 5 minutes, observe and count the number of mealworms on the darker surface and the brighter surface.
  4. The surface with more number of mealworms is the surface which the mealworms prefer.

Independent Variable: The presence of light on the surfaces

Dependent Variable: The number of mealworms on the surfaces.

Constant Variable: The type of box

Observation: There are more mealworms on the darker surface.