Earth Hour is an annual international event designed to raise awareness about global climate change. The campaign encourages governments, businesses, and private citizens to turn off all unnecessary lights for an hour in order to promote conservation of energy resources. They are hoping to get one billion participants from around the globe to create a proactive, rolling blackout to send a message to world leaders that global climate change matters to the world's citizens.
In 2013, Earth Hour will be held on Saturday, March 23, 8:30-9:30 p.m. local time, all over the world. Thousands of towns across more than 100 countries plan to take part. Science NetLinks and Thinkfinity offer these resources to help explore the ideas of light pollution, energy conservation, and global climate change in your classroom and beyond.
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Lessons
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K-2 | Hands-On
In this lesson, students will probe the problem of what happens to a battery-operated flashlight when it is not turned off.
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K-2 | Hands-On
This lesson is the first of a two-part series on technology and inventions
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3-5 | Hands-On
In this lesson, students distinguish between renewable and nonrenewable sources of energy while comparing the benefits and drawbacks of each.
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3-5 | Video
This lesson should help students understand both the physical forces behind climate change, and the social responses to it as a means to preserve the health of people, the state of cities, island nations, and organisms.
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3-5 | Interactive
In this lesson, students compare and contrast different energy sources and the trade-offs of using them.
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3-5 | Hands-On
This lesson shows that products and objects have lifespans so we need to recycle, reuse, and re-imagine new purposes for them.
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6-8
In this lesson, students will learn about the sources of the energy that supply their community.
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6-8 | Video
This lesson provides students with an opportunity to explore the climate change concept in greater depth.
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6-8 | Audio
The lesson introduces students to the scientific basis of climate change.
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6-8
In this lesson, students will consider the negative consequences of nighttime lighting, enabled by the invention of electric lights at the close of the 19th Century.
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9-12
In this lesson, students explore how scientific knowledge changes in the context of abrupt climate change.
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9-12
In this student-centered learning model, students work collaboratively in small teams to design a heat- and water-conserving “green roof” of plant material for an urban apartment building.
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9-12 | Video
In this lesson, students learn about organism interactions and how those interactions shift in response to climate change, especially in grassland communities.
Tools
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3-8 | Interactive
This resource provides an introduction to electricity and power plants.
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3-8 | Interactive
This interactive challenges students to think about the positive and negative consequences of various types of power.
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6-12 | Website
This resource from PBS takes a look at the differences between alternating currents (AC) and direct currents (DC).
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6-12 | Video
This 12-minute video produced by AAAS features a number of experts on global climate change talking about its impacts to our planet.
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6-12 | Interactive
This site provides an introduction to electricity as well as a discussion about how electricity is converted into heat energy, light energy, and motion energy.
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6-12 | Interactive
This interactive allows students to learn about how we use different energy sources and how it affects not only our environment but also our budget.
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K-12 | Teaching Aid
SB&F has put together a list of our top environmental books to help the consumer make informed, eco-friendly choices and to encourage children to take an active role in saving the environment.
Science Updates
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6-12 | Audio
As climate change heats up the world's ecosystems, many species of plants and animals, from songbirds to whales, are leaving their time-tested home ecosystems for uncharted territory. This Science Update looks at how some plants are changing altitude to find a cooler place to live.
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6-12 | Audio
According to a landmark study in the journal Science, climate change is transforming the world's oceans, at a potentially huge cost. You'll hear more about it in this Science Update.
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6-12 | Audio
Human activities like farming have contributed some amount of greenhouse gas to the atmosphere for ages
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6-12 | Audio
In this Science Update we learn how researchers are using leftover material—wastewater—as a way to generate electricity.
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6-12 | Audio
Learn about a thirty-year plan to replace 70 percent of our fossil fuels, using only current technologies like storable solar power, safer nuclear plants, and methanol from crop waste.
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6-12 | Audio
Keeping windows dark might help prevent birds flying into them.
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6-12 | Audio
In this Science Update, hear why bright nighttime lights could also be bad for women's health.
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6-12 | Audio
Solar power is clean, abundant, and becoming cheaper and more efficient all the time. Unfortunately, however, the sun isn't always there when you need it—like when it's cloudy, or it's raining, or it's nighttime. In this Science Update, you'll hear about an ambitious plan to get around that problem.
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6-12 | Audio
Fluorescent lights could be used for more than illumination if their flickering patterns turned into code.
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6-12 | Audio
In this Science Update, hear how researches are using Henry David Thoreau's plant journals to study climate change.
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6-12 | Audio
Strategically placed grass, ivy, and other greenery can significantly improve air quality in urban centers.
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6-12 | Audio
Deforestation can lead to droughts hundreds of miles away.
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6-12 | Audio
“Smart” headlights improve visibility by illuminating the road ahead, but not raindrops or snowflakes.
AAAS Resources
AAAS Climate Change Resources
Grade Band: 6-12
Description: AAAS is one of the scientific leaders on the issue of global climate change. Background materials on AAAS efforts related to climate change and links to relevant resources are provided here.
Other Resources
Earth Hour
Grade Band: 3-12
Description: Earth Hour is an international campaign to affect the global policy on climate change. It will culminate in a worldwide campaign to turn off excess lights on March 28, 2009, 8:30-9:30 p.m. local time.
World Wildlife Fund
Grade Band: K-12
Description: The World Wildlife Fund is an international organization devoted to conservation efforts. It is one of the key sponsors of Earth Hour, and this site offers games and activities to put students into a mindset to think about conservation.
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