Page 725: Recent Weather Data
National Weather Service Homepage
This is the place to go for everything you want to know about weather in the United States. You can find the latest radar images of weather systems, current weather conditions and maps, and even extended forecasts at this site. Click on warnings, then on severe thunderstorms to see all the latest bulletins issued by the National Weather Service (NWS) about these storms. This site is updated every 60 seconds.
How Weather Works
At this site by USA Today. you can find out all about weather. You can learn about air density, air masses, air pressure, clouds, El Niño, fog, fronts, and storms. Scroll down to air pressure and click on baseball and air pressure. Why do baseballs travel farther at lower air pressures?
The Weather Channel: Weather.com
Visit this site for local weather information at any time. You can enter your city or zip code and get an immediate local forecast. When you click on local outlook, you will also get a 10-day forecast and map of Doppler radar activity. This is a very cool site for weather information.
Page 733: Photosynthesis and Respiration
Introduction to Photosynthesis
Visit this site by the Massachusetts Institute of Technology to read about the evolution of photosynthesis and its discovery in the late 1700s. You can read about the light and dark reactions of photosynthesis here. What happens in the light reactions of photosynthesis?
Photosynthesis and Respiration
At this site by the Utah State Office of Education you can read a brief description of photosynthesis and respiration, including the chemical equations for both processes. What are the reactants in the process of photosynthesis?
Page 741: Rainfall in a Rainforest
Amazon Interactive: How rainy is the rainforest?
Visit this site to get a quick visual that compares the amount of rainfall in the Amazon Rainforest to the amount of rainfall where you live. Follow the directions on the site. How does the amount of rainfall in your area compare to the rainfall in the Amazon Rainforest?
About Rainforests
Go to this site by the Rainforest Action Network to learn more about the tropical rainforests on Earth. Rainforests cover only 2 percent of Earth’s surface, yet they contain more than 50 percent of all known plant and animal species on Earth. How much rain falls yearly in most tropical rainforests?
The Climate of a Tropical Rainforest
At this site you can learn more about the climate of tropical rainforests. The site discusses temperature, rainfall, and humidity as well as their effects on plant life. Why don’t tropical rainforest trees have growth rings?
