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Before we get into the subject of gravity and how it acts, it's important to understand the difference between weight and mass. We often use the terms "mass" and "weight" interchangeably in our daily speech, but to an astronomer or a physicist they are completely different things. The mass of a body is a measure of how much matter it contains. An object with mass has a quality called inertia. If you shake an object like a stone in your hand, you would notice that it takes a push to get it moving, and another push to stop it again. If the stone is at rest, it wants to remain at rest.
SeaWorld/Busch Gardens ANIMALS - HOME
Description 3D simulation of the Solar System and night sky in real time - the Sun, planets, dwarf planets, comets, stars and constellations. - Heliocentric view with real-time positions of planets and planetary orbits - Schematic and realistic sizes of the planets and distances between them - Movement of the planets in time to see how they move in relation to each other - Virtual Orrery - Planetary exploration with info texts and additional views such as structure - Dwarf planets (Pluto, Ceres, Haumea, Makemake. Eris) and their orbits - Comets (Siding Spring, Lovejoy 2013, Lovejoy 2011, Panstarrs, ISON, Halley) - positions and trajectories - Stars and constellation of the night sky as viewed from a given location - Changes in the night sky during night, month and year - Searching of the stars and constellation, ecliptic line, grid lines and more
Sesame Street Science: Sink or Float? - START THE EXPERIMENT HERE
Digger and the Gang - Float and Sink
Solids, Liquids and Gases Learn about solids, liquids and gases as you experiment with the conditions that change them from one form to another in this fun, interactive science activity. Water is a common example as it exists in all three forms, you’ve no doubt seen it as ice, liquid water and steam.
Build-A-Prairie, presented by Bell LIVE!
4-H Embryology: A School Enrichment Project | UNL Extension in Lancaster County Good evening! It's Saturday April 12, 2014 at 5:38 PM CT "4-H teaches science and life skills at school, home and on the Web".
4-H Virtual Farm
Welcome to the KidWings website! This site was designed to teach young and old about the wonders of birds. The most exciting part of the site is the Virtual Owl Pellet Dissection. Many interactive activities await you. Click on a link from the left side of the screen to get started.
Advertisement. (Already a member? Click here.) Enchanted Learning - Home Page Enchanted Learning®Over 35,000 Web PagesSample Pages for Prospective Subscribers, or click below
Edheads is an online educational resource that provides free science and math games and activities that promote critical thinking. Choose from Simple Machines, Virtual Knee Surgery or Stem Cell Heart Repair, among others. All activities meet state and national standards. We partner with corporations, universities, and school systems throughout the United States, which help us research, design, and test our activities every step of the way. Not only do teachers and students appreciate our free activities, Edheads has been recognized by almost every major award on the Web for our excellent educational content. So click the "Choose an Activity" tab at the top of the page to dive into an activity and let the fun and learning begin!
Discovering Butterflies!Index Page Butterflies, along with their close relatives the moths, are insects. Together, they are the most numerous type of insect. Butterflies
Smithsonian Education - Students Home Page
Science and technology education from Flying Turtle Exploring
OKAY! As we have for fifteen years, let's start here... So you're asking, what is CHEMISTRY? Well...
SCIENCE U Science UTM is filled with interactive exhibits, animated explanations and science graphics. Store and download images you make at Science U in your own personal Studio. Currently Featured:
EekoWorld | PBS KIDS GO!
Hams Hall Pond (Primary)
Dinosaur Train . Field Guide
Build a Dinosaur
The Magic School Bus | Games and Activities
Bonita Blue Bin's Recycling Game | Environmental Services
Keep America Beautiful: The Adventures of KAB Man
Encyclopaedia Britannica Discovering Dinosaurs Activity Guide
Dinosaur Eggs @ nationalgeographic.com
Science Fair Central provides virtual labs to help students practice investigation