29 BG

How does a cold air mass form? 313

Why does lighting form? 343

How can you model cloud cover? 375

How much of Earth's surface is covered by water? 405

Where does chalk form? 437

Is California moving? 467

What makes magma rise? 499

What can cause an earthquake? 527

How does crust displace mantle? 561

How are fossils made? 589

How do liquids of different densities model early Earth? 619

How is oil stored in rocks? 647

What natural resources do you use in your classroom? 677

Can you identify sources of energy? 707

What resources are used in classroom items? 733

How can the Sun-Earth-Moon system be modeled? 763

What can be learned from space missions? 795

How can you observe sunspots? 829

How big is the Milky Way? 861

Launch Labs

David Young-Wolff/PhotoEdit


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Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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