Displaying 6341-6360 of 6433 resources
Fungi
Grades: TK/K to 9Subjects: Classification, Life SciencesShows a phylogenetic tree of the fungi phyla, followed by information, photos and more links. Click on the hotlinks in the phylo...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0What are Mixtures and Solutions?
Grades: TK/K to 9Subjects: Atomic Structure, Bonding & Compounds, Solution Chemistry, Properties of Matter and 2 additional..This page defines, describes and illustrates various kinds of mixtures and solutions.Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0What Causes Eclipses of the Sun?
Grades: TK/K to 9Subjects: Earth's Resources, Our Solar System, Earth & Space ScienceThis resource's illustrations and photographs clearly convey the concept of eclipses and the physical relationships between the ...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Salamander Superpowers: A Question of Regeneration
Grades: TK/K to 9Subjects: Human Anatomy & Physiology, Growth, Development & Aging, Life Sciences, Cells and 2 additional..This story of a brother, sister and a found salamander reveals the concept of regeneration. Five questions at the end of the sto...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0What is Alternating Current?
Grades: TK/K to 9Subjects: Physics, Electricity & MagnetismThis article discusses alternating current and compares it to direct current. Schematic drawings are included.Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Solubility
Grades: TK/K to 9Subjects: States of Matter (solids, liquids, gases), Solution ChemistryThis page describes in depth the concept of solubility and the variables that affect it. It includes a link to solubility rules.Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0ABC's of Nuclear Science
Grades: 6 to 9Subjects: Chemistry, Atomic Structure, Physics, Elements & the Periodic Table and 2 additional..This page's description of the various kinds of radioactivity includes some discussion of the history of its discovery, illustra...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Atoms Around Us
Grades: TK/K to 9Subjects: Chemistry, Atomic Structure, Bonding & Compounds, Elements & the Periodic Table, BiochemistryThough titled for kids the information presented at this site is thorough and supported with hot links to related concepts as we...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Pitch: Making Guitars
Grades: TK/K to 9Subjects: Music, Education, Child Development & Family Services, PhysicsWatch the rubber bands vibrate on homemade guitars in this video segment adapted from ZOOM as cast members talk about pitch and ...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0What is the Hydrosphere?
Grades: TK/K to 9Subjects: Earth & Space Science, Earth's Resources, Ecology & EcosystemsThis page defines and describes the hydrosphere and provides several photographs.Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Regulation and Behaviour
Grades: TK/K to 9Subjects: Human Anatomy & Physiology, Agriculture & Natural Resources, Life Sciences, Classification and 3 additional..How can animals and plants exist in every biome on Earth: blazing hot or freezing cold, sopping wet or bone dry? How does homeos...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Metabolism
Grades: TK/K to 9Subjects: Human Anatomy & Physiology, Structure and Function in Living Things, Life Sciences, CellsThis is a brief overview of the concepts encompassed by metabolism. Embedded links allow the user to obtain additional details i...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 01900 Air Pollution
Grades: TK/K to 9Subjects: Chemistry, Physics, Geology & the Dynamic Earth, Earth & Space Science and 5 additional..This article and included graphs,from the web site accompanying the FRONTLINE NOVA special What's Up with the Weather?, reveals ...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Atoms: The Space Between
Grades: TK/K to 9Subjects: Chemistry, Atomic Structure, Elements & the Periodic TableThis video segment adapted from A Science Odyssey takes a look at the scale of the atom and the tremendous amount of space betwe...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Get Close to a Nuclear Fission Reaction!
Grades: 6 to 9Subjects: Nuclear Energy, Atomic Structure, PhysicsThis animation-enhanced essay from the FRONTLINE Web site details what happens inside a nuclear reactor core. Learn how engineer...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Simple Machines - Mechanical Advantage
Grades: TK/K to 9Subjects: Force & Motion, Physics, Energy & WorkThis video uses working simple machines to demonstrate how to calculate mechanical advantage. Suitable for any school program in...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Investigating Plant Tropisms
Grades: TK/K to 9Subjects: Agriculture & Natural Resources, Structure and Function in Living Things, Life SciencesThis three page article discusses thigmatropism, heliotropism, and geotropism. Photographs provide examples of plants demonstrat...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Geologic Time
Grades: TK/K to 9Subjects: Earth's Resources, Geology & the Dynamic Earth, Earth & Space Science, Evolution and AdaptationThe Earth is very old -- 4.5 billion years or more -- according to recent estimates. This vast span of time, called geologic tim...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Reflecting Rainbows
Grades: TK/K to 9Subjects: Physics, Light, Sound & Other WavesThis activity provides instructions for reflecting the visible light spectrum off the surface of a CD onto paper or a wall.Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Examine the Phases of the Moon from Earth and Space
Grades: TK/K to 9Subjects: Our Solar System, Earth & Space ScienceThis animation can be used to help students follow the phases of the moon and learn to distinguish between waxing and waning, cr...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0