May 2009 - Weeks of hard work led to the final competition in the Pinecrest Schools Lancaster 2nd-8th Grade Science Fair. Students learned and refined a variety of skills in the process. They started with an idea for an experiment. They researched background information, performed the experiment using the scientific method, keeping statistics, analyzing results and drawing a conclusion. Finally, they put all of it together in a clear, informative format.
Judges reviewed the student projects, and finally made their choice of those that best met the prescribed criteria. Congratulations to all of our students for their hard work and creative projects.
Visit the links below to see this year's winning projects along with excerpts from the students' projects.
Science of Skateboarding
Hypothesis: My hypothesis is that an Ollie has two physical forces.
Experiment: My experiment was to do an Ollie and record how the forces act.
Conclusion: My conclusion is that the Ollie has two physical forces in it and is a very necessary move in skateboarding.
How Does Air Pollution Vary in the Antelope Valley
Hypothesis: I believe there will be more air pollution in the form of particles, near roads and commercial locations, rather than in desert or residential areas.
Conclusion: My hypothesis was half wrong. I expected heavy car traffic to lead to greatest air particle pollution. This was not true. The freeway site was not as dirty as Wal-Mart or the 24-Hour Fitness location at the mall. My hypothesis was confirmed in the sense that residential sites were not as dirty.
Question: What citrus fruit has the most acid?
Hypothesis: I believe the most acidic fruit is the grapefruit.
Conclusion: After all my research and comparing my results, I found that my hypothesis was incorrect. Instead of a grapefruit being the most acidic fruit, it is a lemon. A lemon has the PH level of 1, as compared to a grapefruit with the PH level of 4, which then proved my hypothesis incorrect. Even though I was proven wrong, I enjoyed the experiment.
Egg in a Bottle
Question: Will an egg go in a bottle?
Hypothesis: I believe in my experiment the egg will go in the bottle if I put in matches. Before I do that I will try to do it without them. I believe that it will not go in the bottle without the matches because the air pressure wouldn't change from the outside of the bottle. With the matches, the egg will squeeze through the top because the air pressure will become lower.
Conclusion: In conclusion, my hypothesis was correct. I guessed correctly that the egg would go in with the paper on fire. Without the paper on fire, the egg would just sit on top of the bottle.
Hatching Button Quail Eggs
Question: How do you take care of Button Quail eggs in order for them to hatch?
Hypothesis: My hypothesis is that taking care of quail eggs for them to
hatch would be hard. They would be hard to hatch the eggs myself because they need a lot of warmth. These quail eggs are usually
hatched by the mother quail sitting on the eggs to keep them warm at her body temperature. I would have to try to do a process
similar by keeping them warm in an incubator. I would have to keep the incubator's temperature at about the temperature of the
mother quail's body. I also think that you would have to turn the eggs many times during the day so that the embryo inside can form and so they do not stick to the wall of the egg. I think that if the eggs are not turned every day, they will not hatch. Also I think that after the quails have hatched, they still have to be kept warm.
Conclusion: In conclusion, my hypothesis was correct. It is very difficult to hatch Button Quails in an incubator myself. It is hard to copy the mothers' habits.
Evapotranspiration
Question: Do plants pee like me? When plants drink water, where does the water go?
Hypothesis: I hypothesize that the excess water in plants transforms into dew.
Conclusion: I found out that plants don't pee like us, but instead,
they sweat like us. While we sweat, plants transpire. Transpiration is the process in which water travels up the roots, through the stem, to the leaves, and out the stomata (pores on the leaves). The water is now on top of the leaves where it will soon be evaporated. This is called evapotranspiration. Evapotranspiration is an important part of the water cycle. Some plants like cacti, which are succulents, take little water from the watershed and they do not transpire as much. These plants are better to plant in a desert, like Palmdale, since we are facing a water drought.
What Effect Does Music Have on Plant Growth?
Hypothesis: Rock music will affect a plant's growth more than pop, hip-hop, or classical music.
Conclusion: In my experiment I concluded that music does affect
plant growth. I believe that rock and classical music had the most difference in plant growth. Throughout my research. I observed how plant growth was affected by classical, hip-hop, rap, pop, and rock music. Rock music had an affect on plant growth. The leaves from the plant expanded out. The leaves became wider and separated. The stem from the plant seemed taller. The plants exposed to Hip-hop/rap and pop music had no change. The results from my experiment relate to my research by having tropism happen to the plant exposed to classical music. The plant's leaves were facing upwards towards the ceiling. This showed that vibrations from the radio sent sound waves towards the plant. The sound waves affect the plant by the different types of aggression. Rock music won because of the types of aggression that were put into these songs. Next time I would add a plant not exposed to any type of music and see if it would have the same results as the Rock music plant.
Question: How can the sun be used to separate salt from salt water?
Hypothesis: I think the sun will dry out the water and the salt will be dried out and left on the paper.
Conclusion: I was right about my hypothesis, because the water did evaporate, leaving the salt dried out.
Comet
Question: How does a comet effect Earth?
Hypothesis: My hypothesis for how a comet affects Earth is that a comet won't do much harm. A comet the size of a car might make a crater in Earth's crust. People can get hurt, but mostly houses and towns can be harmed.
Conclusion: You can add together dry ice, dirt, water, ammonia, and dark corn syrup to make a reaction. This reaction will form a comet, a round, cold piece of ice and dirt which archaeologists describe as a dirty snow.
How Does Cloud and Fog Form?
My question to the science fair project was, "How Does Cloud and Fog Form?" which was ended successfully. My hypothesis was that cloud and fog will
form if I followed the directions carefully and use all the materials that I needed.
My materials that were needed to do this project was ice, match, hot water, thin
tube bottle, 2L soda bottle, and black construction paper. My constants are very
hot water and my variables were the directions that I followed to do each one.
I followed the procedures which are on the board. For clouds, I used the
harder and more complicated methods for water vapor to condense. For fog, I
have used some methods that I realized while washing my hands with boiling
water. For example, when hot water meets up with cool air, we can see the water
vapor rising from the sink.
For cloud, at the end, it formed very thin, see through type of long cloud.
For fog, only a slight thin air rising from bottom of the bottle was shown. Most of
the time, I could see the fog appearing when I poured and poured out the hot
water.
I really enjoyed this project because I have reached my goals and objectives.
This was new experience for me when we had to make research papers and take
closer steps to scientific reasoning. This research helped me to understand more
about our atmosphere along with formation of the sky.
Houdini's First Flight
Can a duckling that has been abandoned, and raised in captivity, be released back into the wild and survive?
Danger High Voltage
If a modest static charge can be made by shuffling your feet on carpet, or rubbing a comb across your pants leg, then what kind of charge can be generated if we increase the action?
Can You Fool Your Palate?
When I am stacking Legos, one on top of another, how much higher can I stack one pegged vs. two pegged vs. four pegged vs. eight pegged Legos?
Tsunamis
Does the depth of water effect the speed of a tsunami?
Is Being a Vegetarian a Healthy Choice?
Do vegetarians get enough essential nutrients?
Acid Attack
What does acid do to teeth, bone and egg?
Does an Electric Current Create a Magnetic Field?
Trick Your Taste Buds
How can you trick your sense of taste?
Understanding of Greenhouse Effects
Does it take more/less layers of plastic wrap to keep more heat?
What's in Your Mouth?
Is your mouth cleaner before or after you brush?
Animals Sense of Touch
Do animals respond to touch more than speech?
Eating Metal - Iron in Cereal
What is inside cereal? What are the things listed in the nutrition list on the box?
Grab Some Bench
Why does a curve ball curve?
Melting Glaciers
What are the effects of melting glaciers?
You Are a Battery!
Can electricity be conducted by human skin and water/salt water?
Musical Glasses
How does varying the level of water in drinking glasses affect the tone made when the glass is tapped with a spoon? How can you measure the tone of each glass?
What Are Different Ways We Can Use Solar Energy?
What Are Crickets Attracted to, Light or Heat?
Stop Rot
Are there things around the house that can act as preservatives?
The Ultimate Volcano
What combination of vinegar and baking soda creates the biggest eruption?
Thumbnail panels:
|