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Water Cycle Demonstration

By Janice VanCleave

Demonstrate the Water Cycle. 1. Fold a paper towel in half twice. 2. Lay the folded paper towel on a table and stand a  glass on it. The  glass must be large large enough to support a 16-ounce (480-ml) plastic soda or water bottle as shown. 3. Fill the bottle half full with warm tap […]

Filed Under: Earth Science, meterology Tagged With: condensation, evaporation, vaporization, water cycle

How Energy Affects States of Matter

By Janice VanCleave

Ice is formed when water molecules linked forming hexagonal cells that build on each other in three dimensions.

What Happens When A Substance Gains or Loses Energy? For this article, heat will be the energy source and water molecules the substance gaining or losing energy. So, what happens when water molecules gain or lose energy? Energy is needed for motion, the more energy a substance has the faster is its motion. The reverse […]

Filed Under: Chemistry, Energy Tagged With: condensation, deposition, Energy, freezing, melting, states of matter, sublimation, vaporization

Cloud Formation

By Janice VanCleave

Question:How are clouds formed? Answer: Clouds are made of very tiny drops of liquid water called cloud drops or cloud droplets. Cloud droplets stick together to form larger heavier raindrops, which fall to the ground where they collect in puddles, lakes, rivers, and oceans. The water molecules on the surface of collected water (rivers, streams, […]

Filed Under: Earth Science Tagged With: cloud drops, cloud formation, condensation, evaporation, meteorology

Water Conservation

By Janice VanCleave

Question: Are we running out of water? Answer: Earth is not losing water. The water that dinosaurs drank is still on Earth somewhere. Water moves back and forth between the Earth’s surface and the air in what scientists call a water cycle. When you drink water your body uses it for a time and then […]

Filed Under: General Science Tagged With: condensation, evaporation, water conservation, water cycle

Water Cycle Diagram

By Janice VanCleave

A simple diagram with definitions describing the different forms of water as it moves through the water cycle.

Filed Under: Earth Science Tagged With: accretion, condensation, evaporation, precipitation, water cycle

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Welcome to Janice’s Science Extravaganza!

The spoon hanging from the string vibrates when struck and these vibrations are transmitted through the string and the sound is amplified by the plastic cups. ABOUT ME: Hi, I am Janice VanCleave, author of 50 best-selling science experiment books for children ages 4 through high school. I taught science for 27 years. MORE.....

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