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Series: Raintree fusion
10 experiments your teacher never told you about: gravity
Are you tough enough?
Castle under siege!
Roller coaster!
Animal secrets: animal life processes
Benjamin Franklin
The birth of a state: California missions
Blame your parents: inherited traits
Blood and celebration: Aztec beliefs
Cherokee Rose
Designing America: the Constitutional Convention
Fighter jet: atoms and molecules
Forensic investigator: measurement
Mexico or bust!: migration patterns
On to Valhalla!: Viking beliefs
Potato clocks and solar cars: renewable and non-renewable energy
Reach for the stars: ancient Egyptian pyramids
Route 66: America's road
Safari adventure
Search and rescue: heat and energy transfer
State of confusion: solids, liquids, and gases
Staying alive in ancient Rome
Trading up: Indus Valley trade
Welcome to the ancient Olympics!
Working for change: the struggle for women's right to vote
You scratch my back: symbiosis