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Standard V - Sun

Standard: Students will understand that the sun is the main source of heat and light for things living on Earth. They will also understand that the motion of rubbing objects together may produce heat.

Objective 1: Provide evidence showing that the sun is the source of heat and light for Earth.
Objective 2: Demonstrate that mechanical and electrical machines produce heat and sometimes light.
Objective 3: Demonstrate that heat may be produced when objects are rubbed against one another.


Science Benchmark
Light is produced by the sun and observed on Earth. Living organisms use heat and light from the sun. Heat is also produced from motion when one thing rubs against another. Things that give off heat often give off light. While operating, mechanical and electrical machines produce heat and/or light.