Grade 4 Science and Technology

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Light & Sound   Pulleys & Gears   Rocks, Minerals & Erosion

Habitats and Communities

The Web of Life - a factual but entertaining story told by a common garden spider.

Chain Reaction - The Food Web  - from EcoKids Online - learn about herbivores, carnivores, and omnivores and put together a food chain (requires Shockwave)

Fun With Food Webs - construct Meadow, Arctic and Pond food webs

Owl Pellet Dissection - learn about food chains by "virtually" dissecting owl pellets!

Explore Ontario's Biodiversity - from the Royal Ontario Museum - Create your own field guide to some of the common animals of your local area, right on your screen!  Obtain regional lists and species profiles of the plant and animal species at risk in Ontario.

Hinterland Who's Who - from the Canadian Wildlife Service. Each fact sheet describes the appearance, life history, and habits of a Canadian bird or mammal or else discusses a wildlife-related topic such as bird feeding or endangered species.  There are also video clips of the 60-second educational vignettes originally created in the 1960's.    English and French versions.

Habitats - Home Sweet Home - from National Geographic

EekoWorld - from PBS Kids - Through the two main Web site interactive games, children will be able to create their own unique land-, air- or water-dwelling EekoCreature, help the creature overcome environmental issues, and explore their own EekoHouse, a simulation resembling their real home life that shows how decisions they make affect the environment and their EekoCreature.

Habitats - from BBC Schools - also includes an activity about simple food chains

Interdependence and Adaptation - from BBC Schools

Geodome - learn about Canada's 6 natural regions - from the Canadian Geographic Kids Atlas Online (version française)

Survival Zone - Try being a fox in different habitats and see if you survive. (from BBC Science and Nature)

Mission: Biomes Here you can explore coniferous forests, temperate deciduous forests, deserts, grasslands, rainforests, shrublands, and tundras.  Your mission is to investigate biomes, then test your knowledge about the biomes by completing each mission.  (From NASA Earth Observatory)

Biomes and Environmental Regions - information about biomes and the animals that live in them.  The black line graphics are designed to be printed. There is banner advertising on this site.

Ecosystems of Our World - a ThinkQuest student project about the following biomes; Mountains, Tundra, Temperate Forest, Marine/Island, Desert, Tropical Dry Forest, Cold Climate Forest, Grassland, Savannah, Tropical Rainforest 

Tour of Biomes - a section of the Earth Science Explorer site by the NASA Classroom of the Future. Includes "tours" of the following biomes; tropical rain forest, tropical savannah, mid-latitude deciduous forest, desert, subarctic taiga and polar tundra.

The World's Biomes   This is an introduction to the major biomes on Earth. Biomes are defined as "the world's major communities, classified according to the predominant vegetation and characterized by adaptations of organisms to that particular environment"

The Six Virtual Biomes "What's It Like Where You Live?"  Deserts, Grasslands, Temperate Deciduous Forests, Rainforest, Tundra, Taiga

Habitat Destruction - "Our Mission: Protect Biodiversity"

Build-A-Prairie -  Can you turn a barren plain into a healthy prairie? -  developed by Bell LIVE! and Educational Web Adventures

Canada's Aquatic Environments An interactive educational web site to promote awareness of Canada's aquatic resources.  Habitats include aquatic wetlands, lakes and oceans.  (reading level is generally above grade 4)

Pond Explorer - a virtual field trip to a pond

Live From The Rainforest. Follow in Darwin’s footsteps, courtesy of Passport to Knowledge, to the heart of our planet's largest rainforest, guided by some of the world's leading biologists. Explore “the greatest expression of life” so far discovered in all the Universe, via a project that uses video, real-time interactions, the Internet and hands-on science activities.


Materials That Transmit, Reflect or Absorb Light or Sound

Light;      Activity     Fact Sheet     Test       - from BBC's ReviseWise Science

Sound;     Activity     Fact Sheet     Test     - from BBC's ReviseWise Science

Light and Sound Energy

Alien Attack "Which evil alien tried to blow up the world? Investigate the science of light to save the Earth from destruction..." by Engineering Interact

Optics for Kids - the first section might be appropriate for grade 4 students but this site is mainly geared towards Intermediate students.

How We See Things -  from BBC Schools

Make a Splash with Color - includes topics about sources of light, components of colour, reflection, how we see, and more. (by the Tech Museum of Innovation in California)

Ocean Odyssey   "The evil Sea Serpent has stolen Mel Scale the mermaid's voice. Investigate the science of sound to solve the fishy goings-on..."  by Engineering Interact

Changing Sounds - from BBC Schools

Pulleys and Gears

Simple Machines - an interactive exhibit -  "The Essence of Simple Machines"  "Find the Simple Machine"  "Putting Simple Machines to Work"

Simple Machines - Learn about simple and compound machines while you explore the House and Tool Shed! - from Edheads

Inventors Toolbox: The Elements of Machines  After you have seen the various elements of machines, you can try to figure out which ones are used in some common devices by going to the Gadget Anatomy page.

Pulley System  An interactive demonstration of pulleys. 

How Gears Work - from the How Stuff Works web site

Simple Machines  This is one of the "Spotlight" pages from the Franklin Institute Science Museum - excellent information within this site as well as links to many other resources.

The Science of Cycling  There are good diagrams and illustrations of the parts of the bicycle and how they work.  The reading level will be challenging for grade four.

Rocks, Minerals and Erosion

Teachers!  Link to a lesson plan and activities.

  -based student learning activities    Rocks, Minerals and Erosion ; Rock Hounds, Soil Erosion

The Rock Cycle Create a rock collection as you learn about the three main types of rock, find out how to tell the different rock types apart, and see how rocks change from one type into another!

Rock Identification  Click on a rock, take a look at a larger picture of it and find out the results of three different tests on the rock. Then use the Rock Key to identify what type of rock it is. When you have identified each of the rocks, you can check how well you have done by going to the Rock Identification Test.

Rocks and Soils - from BBC Schools - test some properties of rocks

The Learning Zone - Rocks - from the Oxford University Museum of Natural History

The Learning Zone - Minerals - from the Oxford University Museum of Natural History

Geology For Kids

Pebbles, Sand and Silt - click on "Find the Materials" to find out how earth materials are used all around us!

Earth MaterialsLearn about Mohs' hardness scale while escaping the Castle of Doom and use the Rock Database to learn about rocks and minerals.

School of Rock - from Canadian Geographic Kids Atlas Online  (version française)

Geo-Mysteries  Help solve mysteries about rocks, fossils and minerals! From the Children's Museum of Indianapolis.

Rocks and Minerals   This is one of the "Spotlight" pages from the Franklin Institute Science Museum - excellent information within this site as well as links to many other resources.

Rock Hounds with Rocky  Produced by a Franklin Institute "fellow".  This is a great resource that uses informative illustrations and animations with descriptions appropriate for grade 4 reading level.  Teacher resources and students quizzes are also included.

Rocks for Kids - "This site is for kids of all ages who love rocks. Here you will find out stuff about rocks & minerals and where to go to find out more." Created by two "enthusiastic amateur Rockhounds" from Ontario.

This Planet Really Rocks - a Thinkquest Junior web site about rocks and minerals

Dirtmeister Science Reporters:  Investigate and Report on Erosion   "How do the forces of erosion change the world in which we live? Join us and find out!"  Information along with activities for students to carry out within the neighbourhood are provided.

Soil Resources in Agricultural Areas  
Soil Resources In Urban Areas
These slide shows  introduce you to many of the conservation practices used to sustain soil resources.

Soil School - from, offers extensive information, advice and activities for students, teachers, parents and carers alike to assist in education of this vital subject.

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