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What makes up the perfect environment? Biomes, ecosystems, food chains, and food webs all make up the different environments in which various animal species live and thrive. Discover what makes the right environment for ...
Plants and animals that need one another in an environment form an ecosystem. All ecosystems have energy pyramids that show the exchange of energy from one food source to another. Biomes are areas of the Earth that have ...
Ecologists study the connections living things have with one another and their surroundings. John Woodward did some of the first ecology experiments in 1699 and figured out algae bloom. Aldo Leopold s work led to the End...
Discusses the causes and effects of thunderstorms, sandstorms, tornadoes, and blizzards and includes a pamphlet including lesson plans.
This story allows students to travel back in time to when the Declaration of Independence was written. They will experience the thoughts and feelings of the writers as they create a document that changed the world.
In The Liberty Bell: Saving the Sound of Freedom, the Mickley family realizes that they might be the only ones that can save the important Old State House Bell as they run from the British. Though they risk their lives a...
Introduces the life and accomplishments of the noted social reformer, from her early life as a slave, to her life of advocacy for the abolitionist movement.
Telling time is a comprehensive thematic unit that covers concepts appropriate for children in the primary grades.