PLANTS-
- Will vitamins affect the growth of a plant?
- Do weed killers affect house plants?
- How do the moon phases affect plant germination?
- How fast do roots grow?
- Does the amount of light on plants affect their growth?
- Does the amount of water given plants affect their growth?
- What is the effect of detergent on bean seeds?
- Under what color light do plants grow best?
- In what kind of material (sand, clay, etc.) do seeds grow best?
- What is the effect of chlorinated water on plant growth?
- How does the number of seeds produced by different plants compare?
- Will frozen seed sprout?
- Will plants grow better in soil or water/
- What can be done to increase the decomposing rate of plants?
- Do loving plants give off moisture?
- Do living plants give off oxygen?
- What is the effect of fats and cholesterol on plants/
ANIMALS-
- What kind of life can be found in 1 square meter of backyard soil?
- How does a bird embryo grow in an egg?
- Can mice distinguish color?
- How do mealworms respond to light?
- How does an earthworm react to light and darkness?
- Do different kinds of caterpillars eat different amounts of food?
- Do mint plants repel insects?
- What color of flowers attract hummingbirds best?
- What colors attract moths and other insects at night?
- Does temperature affect the flash rate of fireflies?
- At what rate do pets drink water?
- What is the effect of temperature on the activity of (mealworms, crickets, etc.)?
EARTH SCIENCE-
- Does the moon rise every night at the same time and in the same location?
- How accurate are long-range weather forecasts?
- Is rainwater absorbed at the same rate in different kinds of soil?
- From which direction does the wind blow most frequently?
- How warm is it under the snow?
HUMAN BODY-
- Which grows faster, body hair or scalp hair?
- How do fingerprints differ?
- Do all people have the same normal body temperature?
- Are certain dominant traits exhibited in the same family?
- Who has bigger hands, boys or girls?
- How accurately can you tell the temperature of an object by touch?
- Who are generally taller, boys or girls?
- How fast do muscles get tired?
PHYSICAL SCIENCE -
- What is the effect of heat when dissolving sugar? Salt?
- Why is salt put on icy sidewalks?
- What is the acidity of various household products?
- How fast do fabrics burn?
- What kind of materials can put out a fire?
- DO CRYSTALS HAVE THE SAME SHAPE?
- How much of the air is oxygen?
- Can seawater be "desalted" by freezing?
- How is the strength of a magnet affected by glass, cardboard and plastic?
- What is the best shape for a kite?
- How does a pulley help you work?
- How does the use of paint prevent the formation of rust?
- Which holds two materials together better, a screw or a nail?
- Do all objects fall at the same speed?
- How does the weight of a pendulum affect the swing?
- How is the distance a cart rolls affected by the mass in the cart?
- On what kind of surface will a ball roll fastest?
- Which kind of metal conducts heat best?
- Does sound travel best through solid, liquid or gas?
- What materials provide the best insulation?
- What is the effect of temperature on the volume of air?
- How does the length of a vibrating body affect sound?
- How does the design of a paper airplane affect its flight?
CONSUMER SCIENCE -
- Which chewing gum holds its flavor the best?
- Which detergent breaks up oil best?
- How does the absorption rate of various paper towels differ?
- Which detergent makes the most bubbles?
- How does the wattage of a light bulb affect energy use?
- Which brand of glue holds two boards together best?
- Which brand of popcorn pops fastest?
- Which type of battery makes toys run longest?
- Which type of diaper holds the most water?