Aquarium

My class and I went to the Adventure Aquarium and it was so much fun. I learned a lot while having fun. We saw so many animals including sharks. I even touched one. It was a baby and it was slimy. When I was done touching them, I went to the bigger ones. I didn't get to touch those because they'd bite my hand off. Then we saw Hippos. They were huge. Then birds started flying around us pooping. It was so sad because then we had to leave after we saw many more animals. I hope to go back some day with all my friends. It was so fun.

Popcorn Convection

When I put popcorn in a microwave, it popped all around. Then I wondered what happened in a microwave. When I figured it out, I learned something new. When popcorn gets radiated, The chemicals get effected and they make the kernel expand. The outer shell of the kernel breaks and the inside comes out in a form which we call popcorn.

Temperature

These are some quick facts you should know.

Carbon Dioxide
• One percent of atmosphere.
• Keeps earth warm.
• Retains heat from the sun.
• Comes from volcanoes, automobile exhausts, factories, power plants, decaying plants and animals, ect.
• There is carbon dioxide on other planets.

Oxygen
• Takes up one fifth of the atmosphere.
• It didn’t exist billions of years ago.
• Comes from photosynthesis.

Ozone
• Shields us from the sun.
• 22 km up in the stratosphere.
• Chemicals destroy it.
• Ozone at ground level is called surface smog.
• Surface smog can burn people’s lungs.
• Kids are most affected by surface smog.

Is Air There?

First, I put a plastic bag over a glass cup. Then I rubber banded the bag to the cup. I pushed the bag in and it was hard. Then when I got it in. Then I tried to pull the bag out and it was hard too. The reason this happened is the air pressure was higher on the inside when I tried to push it in. Once it was pushed in, the air pressure was lower and it raised on the outside. So it was hard to pull out.

Collapsing Can

First the can was filled about a centimeter. Then the can was put on a hot plate until the water was boiled. Then instantaneously, I flipped the hot can into ice water. The can then collapsed itself. The way this happened is that hot air expands and cold air collapses. When the two molecules mixed, it forced the can to suck itself in because the hot air cooled and doubled the power of the cold air inside when it was trapped.

The Atmosphere

We have just started learning about the atmosphere in class. The first layer is the Troposphere. We live here. All weather occurs here. This is the lowest layer. The distance is 12 km to 16 km. The word "Tropo" means turning. The degrees that it can be is about -60 degrees Celsius. The next layer is the Stratosphere. The word "Strato" means layer. The distance is 16 km to 50 km. If you keep going up, the temperature rises. The next layer is the mesosphere. "Meso" means middle. This is the coldest part of the atmosphere. This protects the earth. The distance is 50 km to 80 km. The final layer is the thermosphere. "Thermo" means heat. This can get up to 1800 degrees. The distance is 80 km to space. This layer has two mini layers called the ionosphere and the exosphere. In the ionosphere, gas molecules are electrically charged. It is the lower layer out of the two mini layers. The upper mini layer is the exosphere. Satellites are in this part.

The Greenhouse Effect

I put a thermometer in a glass jar and turned on a lamp. This will heat up the thermometers creating the temperature to rise. About every twenty to thirty seconds, the temperature would rise about two degrees. In around five minutes, the temperature raised to about ninety five degrees. The way this happened is that the glass would absorb the heat and keep some while the other heat goes into the thermometer just like our greenhouse effect.