{"text": "Photosynthesis: plants use sunlight, water, and CO2 to make glucose and release oxygen."}
{"text": "Fractions: the top number counts parts and the bottom number shows total equal parts."}
{"text": "Water cycle: evaporation turns liquid water into vapor; condensation forms clouds."}
{"text": "Precipitation returns water to land and bodies of water as rain, snow, sleet, or hail."}
{"text": "AI agents observe state, decide actions, and update plans using tools and memory."}
{"text": "American Revolution: colonists protested taxation without representation and trade restrictions."}
{"text": "Boston Tea Party: colonists dumped tea to protest the Tea Act in 1773."}
{"text": "Enlightenment ideas about rights and consent spread through pamphlets and speeches."}
{"text": "One-half means one of two equal parts; one-fourth means one of four equal parts."}
{"text": "Runoff carries water from land back toward rivers, lakes, and oceans."}