Which substances are the best to stop bananas, apples and/or avocados from turning brown?
What plant materials can be used as dyes?
Does salt prevent dark coloured fabrics from fading after washing?
How does hair thickness affect its strength?
Investigate the warmth of different sock materials.
Is there a relationship between gender and reaction time?
Is there a relationship between gender and ball throwing accuracy?
What factors affect how far a paper aeroplane flies?
How does talking on a mobile or texting affect driving?
Does the level of background noise affect how much information we learn/retain?
Investigate the strength of toilet paper or facial tissues.
Investigate the water absorption of different sponges.
What is the optimum amount of baking powder that produces the greatest height in cakes?
Is there a relationship between the amount of foam produced by shampoos/detergents and their water content?
Is water–free hand cleanser more effective than normal antibacterial handwash?
Which solvent mixture is the most effective at separating the different colours in texta ink?
Is there a relationship between arm span and a person s height?2 AnswersBiology2 years ago
- 2 AnswersGreen Living4 years ago