Curated OER
How Long Will It Last?
Students turn on a flashlight and leave it on until the energy is used up (12-36) hours. They estimate or preduct how long they think the energy in the batteries will last. They then estimate how long a birthday candle will burn, giving...
Curated OER
Man's Struggle for Environmental Preservation
Students examine the way all living things are connected to one another. In groups, they participate in experiments in which they analyze the chemical processes through the biosphere and explain the role of energy. They also brainstorm...
Curated OER
Putting on Mass: Just how do Trees grow?
Learners articulate an explanation of photosynthesis. They identify problems they have with comprehension of how a plant gains mass. Students describe a historical experiment.