Using a pinhole viewer students will look at a reflected image of the Sun to calculate how far the Sun is from Earth. This activity would be used for enrichment or for advanced students. This lesson requires pre-planning for the teacher to practice making and using the viewers. Simple math calculations are required by the students to complete the assignment.
Students help design experiments to test whether the temperature of water affects the rate of evaporation and whether the temperature of water vapor affects the rate of condensation. Students look in detail at the water molecule to explain the state changes of water.
Type: Unit/Lesson Sequence
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