Changing Planet: Fading Corals The delicate balance of life and
environment which sustains coral reefs globally is under threat.
The dramatic increase in atmospheric CO2 in the past few decades
has produced an increase in ocean temperature and acidity. Coral
diseases have also been on the increase, due to changes in their
environment as well as pollution. Click on the video at the left
to watch the NBC Learn video - Changing Planet: Fading Corals.
Lesson plan: Changing Planet: Fading Corals Shop Windows to the
Universe Science Store! is a fun group game appropriate for the
classroom. Players follow nitrogen atoms through living and
nonliving parts of the nitrogen cycle. For grades 5-9. You might
also be interested in: How did life evolve on Earth? The answer
to this question can help us understand our past and prepare for
our future. Although evolution provides credible and reliable
answers, polls show that many people turn away from science,
seeking other explanations with which they are more
comfortable....