Mealworms

Stage 1
Description Of Mealworms

• brownish yellow
• six legs
• smooth

Mealworms	Data Collected	Questions
Texture	smooth
Smell	pungent
Sound	no sound
Colour	brownish yellow	Would it change colour if it moults?

List Of Questions

• why does some curl up while some don’t?
• why do they move so slowly?
• do they prefer black or white surfaces?
• Why are they not able to climb up the steep surface?

Stage 2
Do mealworms prefer black or white sufaces
Aim → to find out if mealworms prefer black or white surfaces
Hypothesis → mealworms prefer black surfaces (They live in dark places.)
Materials → Black and white paper
Procedure → 1. Put 5 mealworms in the middle of the black and white paper.
2. Observe the mealworms for 5 minutes.
Variables → Independent - colour of paper

        Constant - duration of experiment, number of mealworms, positions of mealworms

  at the start of experiment

        Dependent - where mealworms are at the end of the experiment
Observation → mealworms crawled to the black part of the paper
Collected Data → Most of the mealworms are found on the black part of the paper
Interpret → The mealworms prefer black surfaces to white surfaces
Reliability of data → experiment carried out thrice

Stage 3&4
Sound

Instruments used	Sound made	Reactions of mealworms	Reasons
Catanets (attached with bells)	‘clack clack’ sounds (catanets), ringing sounds (bells)	Some moved away but some didn’t
Tuning fork & Rubber bung	“dangggggg”	the mealworms shivered