VanCleave's Science Fun

Your Guide to Science Projects, Fun Experiments, and Science Research

Earthworms: Locomotion

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Question: How do earthworms move without legs? Answer: First watch the video, and then read my answer and check out the earthworm activities below. Earthworms are invertebrates, which means they do not have a backbone. In fact, they don’t have any kind of bones, legs, eyes, or teeth. They feel wet, slimy, and squishy. While […]

Earthworms: Air Displacement

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Question: Why do earthworms come to the surface after a big rain? Answer: If there is a lot of rain, the rain water not only fills the burrows of earthworms but also fills the spaces between rocks and particles of soil. In other words, the rain water displaces the air between the rocks and soil […]

Earthworm: Reproduction

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Earthworms are hermaphrodites ( her-maff-row-die-ts), which means they have both male and female sex organs. Even so, they still need to mate in order to reproduce. Mating: Since worms can neither see nor hear, but their bodies are extremely sensitive to touch. Because of this, earthworms feel vibrations when another worm is nearby. To mate, […]

How Do We Smell Perfume?

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Answer: The part of perfume that gives it a specific smell is called its “juice.” Juice is a mixture of different oils, each with a specific scent. You smell these scents because they evaporate, which means to change from a liquid to a gas. These scented gas molecules move through the air and you smell […]

Perfume vs. Cologne

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Question: What is the difference between perfume and cologne? Answer: First: The word perfume is commonly used to mean a substance that smells good and is used to make other things smell good. But “real” perfume —uum! instead of calling it real perfume, lets use the French word Parfum. Second: In reference to perfumes, the […]

Math Books

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  20% Discount Code AFF20   Janice VanCleave’s Math for Every Kid: Easy Activities that Make Learning Math Fun   Janice VanCleave’s Geometry for Every Kid: Easy Activities that Make Learning Geometry Fun Children’s Science : Janice VanCleave’s Geometry for Every Kid: Easy Activities that Make Learning Geometry Fun   Janice VanCleave’s Play and Find […]

Science Resource Books

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  20% Discount Code AFF20     Janice VanCleave’s Scientists Through the Ages   Janice VanCleave’s Science Through the Ages   Janice VanCleave’s Science Around the Year   Janice VanCleave’s Science Experiment Sourcebook     Janice VanCleave’s Help! My Science Project Is Due Tomorrow! Easy Experiments You Can Do Overnight Children’s Science : Janice VanCleave’s […]