What is the main source of heat on Earth? What are the two main gases in the main source?
Sun - Hydrogen and Helium
What happens in the Sun? Nuclear Fusion or Nuclear Fission? Explain
Nuclear Fusion Occurs. Hydrogen atoms combine to form Helium
What is Nuclear Energy?
The Splitting up and joining of atoms give out energy/ heat energy
What is the Core of the Earth Made up of? Which Metals?
Iron and Nickel, most of it in Molten state
How does heat come out of the Earth's Core?
Through Cracks in the form of Geysers and Volcanoes
What happens when Wood, Coal and Natural gas burn?
A Chemical reaction happens giving out heat and light
Name a Chemical reaction inside our body that produces heat
Respiration
Which is the most dangerous consequence of Friction you have seen in a video?
Space Shuttle reentry into earth's atmosphere
What material is used to protect the space shuttle upon reentry?
Sand Tiles
Give everyday examples of electrical energy that produces heat
Iron, Toasters, Electric Lamp, Hot plates
