7th grade

Does color affect the rate of evaporation?

 

How does material affect the distance sound travels?

 

Does depth have an impact on the temperature of water?

 

Do all eggs have the same density?

 

How can you prevent a nail from rusting?

 

Does temperature affect the height at which a ball bounces?

 

How does artificial smells compare to natural smells?

 

Does the size of a person affect their lung capacity?

 

Can vitamin E slow the aging process?

 

What materials work best in a sandbag for blocking floodwaters?

 

What type of rock can withstand the most force?

 

What type of earth material (sand, rock, soil, water, grass) heats up the fastest?

 

What materials are needed to build a seismograph?

 

How does vegetation growth affect the rate of flood?

 

Does the angle of a hill have an affect on a mudslide?

 

How can we create fog in a bottle?

 

Does acid or base affect the rate a plant grows?

 

Does the color of soil affect the amount of moisture it can hold?

 

Does vegetation affect the rate of erosion?

 

Does the density of a liquid affect the rate at which the liquid will weather & erode soil?

 

What Effect Does Soil Particle Size Have on Water Absorption? 

 

How can you shatter a glass with sound?

 

Does the pitch of a sound affect the speed in which it travels?

 

What materials sound proof the best?

 

Does the density of a material affect the sound?

 

Does recycled paper break down faster than new paper?

 

Does particle size affect the rate of a chemical reaction?

 

How can a chemical reaction be used for power?

 

Does the effect of temperature on the rate of a chemical reaction?

 

What metals oxidize the fastest?

 

Is there a difference in the way acids and bases change the density of water?

 

Is there a difference in the way acids and bases change the browning of an apple?