Tell Me Why Videos


Space Earth & Atmosphere Answers questions such as "How big is the universe?" "What makes the stars shine?" "Why does the Moon change shape?" and much more! Each video comes complete with its own printed Study Guide containing a glossary, additional questions and suggested learning strategies.	Insects Answers questions such as "How many kinds of insects are there?" "Do insects have blood?" "How can a fly walk on the ceiling?" Each video comes complete with its own printed Study Guide containing a glossary, additional questions and suggested learning strategies.	Water & Weather Answers questions such questions as "How do we have different seasons?" "How does the weather man know what to say?" "What is a rainbow?" Each video comes complete with its own printed Study Guide containing a glossary, additional questions and suggested learning strategies.


Flowers, Plants & Trees Answers questions such as "When did plants appear on Earth?" "What is bacteria?" "Why do plants have different scents and colors?" Each video comes complete with its own printed Study Guide containing a glossary, additional questions and suggested learning strategies.	Gems, Metals & Minerals Answers questions such as "What is erosion?" "How many different kinds of rocks are there?" "What is coal?" "What is an alloy?" Each video comes complete with its own printed Study Guide containing a glossary, additional questions and suggested learning strategies.	Lifeforms, Animals, and Oddities Answers questions such as "What are protozoa?" "Are our teeth the same as animals teeth?" "How do earth worms eat?" "What is an echidna?" Each video comes complete with its own printed Study Guide containing a glossary, additional questions and suggested learning strategies.


Birds and Rodents Answers questions such as "Why do birds have feathers?" "How far do birds migrate?" "What bird lays the largest egg?" "Are there squirrels in other countries?" Each video comes complete with its own printed Study Guide containing a glossary, additional questions and suggested learning strategies.	Mammals Answers questions such as "Why are whales considered mammals?" "What is a dolphin?" "Why do elephants have big ears?" "Is the chimpanzee a monkey?" Each video comes complete with its own printed Study Guide containing a glossary, additional questions and suggested learning strategies.	Animals and Arachnids Answers questions such as "Why do dogs bury bones?" "Does a cow have four stomachs?" "What is a spider's web made of?" "Are Tarantulas poisonous?" Each video comes complete with its own printed Study Guide containing a glossary, additional questions and suggested learning strategies.