The activity follows a progression that examines the CO2 content of various …
The activity follows a progression that examines the CO2 content of various gases, explores the changes in the atmospheric levels of CO2 from 1958 to 2000 from the Mauna Loa Keeling curve, and the relationship between CO2 and temperature over the past 160,000 years. This provides a foundation for examining individuals' input of CO2 to the atmosphere and how to reduce it.
This video segment adapted from NOVA/FRONTLINE looks at the future of global …
This video segment adapted from NOVA/FRONTLINE looks at the future of global warming as developing nations, including India and China, increase their need for energy.
Is the hydrogen car the answer to global warming? This video segment …
Is the hydrogen car the answer to global warming? This video segment adapted from NOVA/FRONTLINE looks at the pros and cons of this developing technology.
This video segment adapted from NOVA/FRONTLINE examines the greenhouse effect, its role …
This video segment adapted from NOVA/FRONTLINE examines the greenhouse effect, its role in keeping Earth habitable, and the industrial changes that have led to an increase in the planet's average temperature.
This is an activity about a very important ingredient in most baked …
This is an activity about a very important ingredient in most baked goods - gluten! Why is gluten so important? Without it, there would be nothing to hold the gas that makes bread rise. Learners will experiment with different types of flour to get a feel for gluten, and discover why using different flours can lead to such different results in the kitchen.
In this activity, students examine a photo and map of Manhattan, New …
In this activity, students examine a photo and map of Manhattan, New York, to determine the date the photo was taken. The activity provides opportunities for discussing seasons, equinoxes, and the apparent position of the Sun throughout the year. Links to additional information are embedded in the text.
This video segment adapted from NOVA features the youngest rock formations in …
This video segment adapted from NOVA features the youngest rock formations in the Grand Canyon, lava dams, and how they are subject to the eroding power of water.
In this activity, students work in groups to create a presentation that …
In this activity, students work in groups to create a presentation that illustrates the meaning of the statement "To make an apple pie from scratch you must first invent the universe." Students pick an element that can be found in apple pie and trace its evolutionary history back to the birth of the universe itself. They also share their vision of the environment in which that element may find itself 5 or so billion years from now after the Earth is long gone. Presentations are intended to demonstrate student understanding of the origins and life cycle of matter, so this activity is appropriate as a conclusion to a unit. This activity is part of the "What is Your Cosmic Connection to the Elements" information and activity booklet. The booklet includes teacher notes, grading guide and student handouts.
This is a lesson about visual spectra. Learners will explore different ways …
This is a lesson about visual spectra. Learners will explore different ways of displaying visual spectra, including colored "barcode" spectra, like those produced by a diffraction grating, and line plots displaying intensity versus color, or wavelength. Students learn that a diffraction grating acts like a prism, bending light into its component colors. The activity is part of Project Spectra, a science and engineering program for middle-high school students, focusing on how light is used to explore the Solar System.
In this video segment from NOVA scienceNOW, learn about the effects of …
In this video segment from NOVA scienceNOW, learn about the effects of gravity as astrophysicist Neil deGrasse Tyson falls through a virtual hole through Earth's center.
This is a debate-style learning activity in which student teams learn about …
This is a debate-style learning activity in which student teams learn about energy sources and are then assigned to represent the different energy sources. Working cooperatively, students develop arguments on the pros and cons of their source over the others.
In this video segment adapted from NOVA, a meteorologist explains how an …
In this video segment adapted from NOVA, a meteorologist explains how an unusual weather pattern led to one of the most devastating floods of this century.
How do greenhouse gases affect the climate? Explore the atmosphere during the …
How do greenhouse gases affect the climate? Explore the atmosphere during the ice age and today. What happens when you add clouds? Change the greenhouse gas concentration and see how the temperature changes. Then compare to the effect of glass panes. Zoom in and see how light interacts with molecules. Do all atmospheric gases contribute to the greenhouse effect?
Build your own miniature "greenhouse" out of a plastic container and plastic …
Build your own miniature "greenhouse" out of a plastic container and plastic wrap, and fill it with different things such as dirt and sand to observe the effect this has on temperature. Monitor the temperature using temperature probes and digitally plot the data on the graphs provided in the activity.
Explore how the Earth's atmosphere affects the energy balance between incoming and …
Explore how the Earth's atmosphere affects the energy balance between incoming and outgoing radiation. Using an interactive model, adjust realistic parameters such as how many clouds are present or how much carbon dioxide is in the air, and watch how these factors affect the global temperature.
Make your own miniature greenhouse and measure the light levels at different …
Make your own miniature greenhouse and measure the light levels at different "times of day"--modeled by changing the angle of a lamp on the greenhouse--using a light sensor. Next, investigate the temperature in your greenhouse with and without a cover. Learn how a greenhouse works and how you can regulate the temperature in your model greenhouse.
Students will observe and perform experiments with the elements sodium, potassium, calcium, …
Students will observe and perform experiments with the elements sodium, potassium, calcium, magnesium, sulfur and phosphorus. Conclusions will be made about trends down groups, across periods and relating to acidity/basicity of metal oxides vs. nonmetal oxides
In this activity, students will learn the location of the following categories …
In this activity, students will learn the location of the following categories on the periodic table while creating their own version including a key.Categories Included:Alkali MetalsAlkaline Earth MetalsHalogensNoble GasesMetalsNonmetalsMetalloidsTransition MetalsInner Transition MetalsThe Soft Chalk Activity includes interactive checks throughout and includes information on valence electrons and determining groups and periods for elements.
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