Alabama

In Mrs. Ramsay and Mrs. Roberts' classes, each student chose to pick a different science standard and conducted an experiment with the class using the Scientific Method. Each student set a hypothesis, made observations, collected data, and drew conclusions. We called this **Eureka! Week**. Eureka is an old term that means "I've found it." We found out so many interesting things working on this edition of //The Coast to Coast Chronicles//. We hope that you enjoy reading and learning about our discoveries in the projects that we published discussing what we learned.

Click on the Museum Box image below to view "**Science is Everywhere**"

Looking Squid-ward
media type="custom" key="14462786" align="right" One lab that we did as an entire class was a squid dissection. We wondered if a squid was unique designed to thrive in its environment. We each made a hypothesis and gathered data throughout the squid dissection. Here are some interesting discoveries that we made:
 * 1) Squids have 8 arms and 2 tentacles. The tentacles only have suckers on the end of them. They grab their prey. The 8 arms pull their prey into their mouths.
 * 2) A squid's mouth is between its 8 arms. It's mouth is actually a sharp beak.
 * 3) The squid's "skin" is called its mantle. It has chromataphores on it that changes colors so that it can camouflage itself to protect it from its prey.
 * 4) A squid moves by jet propulsion using its siphon which is close to its eyes. It pulls water in and pushes it out with force to make it move. It's smooth and funnel shaped so that water can move easily without being trapped. The two fins help to steer the squid.
 * 5) Squids actually have backbones, but they are not bones. They are made out of cartilidge like we have in our ears and at the end of our noses.
 * 6) Another way that a squid defends itself is that it can squirt our ink to confuse predators so that it can get away from them.
 * 7) Squids are ina family called a mollusk which don't have bones, but they do have a shell. The backbone is considered a shell. Other mollusks are clams and mussels.
 * 8) Squids can easily hide in rocks and coral because they don't have bones.

The Heart Beat


My project was on the circulatory system. The reason I did my project on the heart is because my grandfather died of a heart attack. Lots of people die of heart attacks. It’s important to eat right and exercise to keep your heart healthy. The steps to my project are…..


 * 1) First, we checked my volunteer’s resting heart beat. It was 74 beats per minute.
 * 2) Then I had my volunteer do exercises for 60 seconds.
 * 3) Next, we tested the heart beat. His heart beat was 91 beats per minute.
 * 4) Then he did an exercise for another 60 seconds. His heart beat was 98 beats per minute.

See how the heart beat increased? The longer he exercised the more beats his heart had per minute. The heart is a muscle. It must be exercised to keep it strong. He was running so his heart beat increased because he needed more oxygen. The oxygen gets to the heart by pumping blood through the veins. So remember, eat right and exercise so you can keep your heart healthy. Your family will thank you.

Digital Stories: Refraction, the Circulatory System, and Buoyancy
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Coloring the Spectrum
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Will It Float?
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Buoyancy, Density...and Eggs?
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Balloon Experiment
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Vokis: Fat Grams, Hurricanes, and Dinosaur Timeline
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