Plate tectonics theory, formulated in the 1960s and 70s, states that the Earth’s outer crust is composed of moving plates. For example, two hundred million years ago there was only one super continent named Pangaea. Plate tectonics also explains how …[Continue]
Science Resources
This category is further divided into: Animals, Earth Sciences, Experiments, More Science, Pets, Scientists, Space, Weather, Your Body.Dinosaurs
Named from two Greek words meaning “terrible lizard,” dinosaurs first appeared about 220 million years ago, and then disappeared rather suddenly 63 million years ago. Dinosaurs capture our imagination in many different ways. Their tremendous size, their fearsome looks, and …[Continue]
Tigers
As Dorothy, the Tin Man and the Scarecrow followed the Yellow Brick Road, they feared the animals they might encounter. “Lions and tigers and bears, oh my!” Today, a more realistic fear is the animals we might never encounter. Sadly, …[Continue]
Koalas
Although often called koala bears because of their resemblance to cuddly teddy bears, koalas are marsupials, not bears. Koalas are native to Australia and related to kangaroos and wombats. Learn more at these adorable koala sites….[Continue]
Meteor Showers
Meteor showers are cyclical, predictable events because they are formed from the icy rock debris shed by comets as they pass the Sun. The following sites explain why they happen, when they occur, and offer tips on how to best …[Continue]
Rivers
June is National Rivers Month. A river is a natural flow of water (usually freshwater) towards an ocean, sea, lake or another river. They are an important part of our ecosystem as a source of water, food, transportation, defense, energy, …[Continue]
Sun Safety
Schools out! Summer sunshine is here. But don’t leave the house without your sunglasses, brimmed hat, and sunscreen. Why bother? Because despite the sun’s beneficial effects on our mood, even a small amount of daily exposure can lead to skin …[Continue]
Turtles
Turtles are reptiles with hard, bony shells and have been around a really long time. With a history that dates back 215 million years, they are older than both lizards and snakes. Whether your interest lies in wild endangered sea …[Continue]
Human Heart
Your heart is located in the upper left-hand side of your chest and if you place your hand there, you can feel it beating. The heart continually pumps blood to all parts of the body, and never stops beating, even …[Continue]
Penguins
What is it about penguins that makes them so adorable and so popular? Is it their dapper tuxedo coloring, their upright stance, or their amusing waddle? Whatever the reason, here’s the best of what the Web has to offer penguin …[Continue]
