Learn about the water cycle or hydrologic cycle in Earth science and geography. Get a water cycle diagram and discover the steps involved.| Science Notes and Projects
Learn about erosion in geology. Explore its definition, types, causes, and impact both by and on human activities.| Science Notes and Projects
Learn the difference between magma and lava and explore their temperature, composition, and ability to form rocks.| Science Notes and Projects
Discover interesting Mars facts. Learn about the size, moons, surface features, and seasons of the fourth planet from the Sun.| Science Notes and Projects
Explore Saturn facts with this detailed guide covering the planet's rings, moons, atmosphere, structure, missions, and viewing from Earth.| Science Notes and Projects
Learn what gravity is in physics and astronomy. Get the definition, formulas, and table of gravity on other planets.| Science Notes and Projects
Get Venus facts. Discover whether it is the hottest planet, how likely life is, and other fun facts about Venus, the second planet.| Science Notes and Projects