1) The energy in Earth’s atmosphere drives the variety of weather patterns that occur. What is the ultimate source of the energy in Earth’s atmosphere? a) solar energy b) wind energy c) gravitational force 2) The Greenhouse Effect is a warming of Earth's surface and the ________________. a) and the air above it. b) and the deep ocean currents. 3) Without the Greenhouse Effect the Earth would be_________________. a) too hot for life. b) too cold for life to exist. 4) The sun emits harmful ultraviolet radiation, some of which reaches Earth's surface. Scientists recommend that people who plan on being outdoors for at least 20 minutes apply sunscreen to protect their skin from ultraviolet radiation. What blocks most of the sun’s ultraviolet radiation from reaching Earth's surface? a) wind b) precipitation c) atmosphere 5) Which system on Earth insulates the planet and protects it from solar radiation? a) biosphere b) atmosphere c) hydrosphere 6) What happens to the energy that reaches Earth? a) Most of it is trapped in the atmosphere by the Green House gasses. b) Most of it escapes back to space. 7) Heat that travels from the sun, fire or light is________________. a) radiation b) convection c) conduction 8) The type of heat transfer that is in direct contact is________________. a) radiation b) conduction c) convection 9) This method of heat transfer causes wind and is a cycle. a) radiation b) conduction c) convection 10) Although the Sun is millions of miles away, we are able to receive light and heat from it here on Earth. The Sun’s heat and light travel to Earth in the form of ultraviolet (UV) rays. Which type of heat transfer is this an example of? a) conduction b) convection c) radiation

Heat Transfer

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