Grade 7 Science and Technology

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Pure Substances and Mixtures   Heat   Strength & Stability   Earth's Crust

Interactions Within Ecosystems

Footprints: Environment and the Way We Live Discover part of the National Film Board of Canada's collection that documents the relationship between environmental questions and the social and cultural lives of Canadians.  (version française)

Math Hunt Game - Rainforest   - explore five web sites about this fascinating environment. At each stop use the facts you find to solve a math question.

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

What's It Like Where You Live? 
The Missouri Botanical Garden's web site on habitats, biomes and ecosystems. 

Earth on Edge - Ecosystems - from the PBS program - includes the following ecosystems; Agro, Forest, Freshwater, Grassland, Coastal, Urban

Living Things  Divided into sections on "Individuals", "Families", "Neighbourhoods" and "The Circle of Life"

THE GREENS - a site for kids about looking after the planet. Explore green living - sustainability, ecology, environmental care and social equity (from PBS)

Welcome to Recycle City!  "There's lots to do here - people and places to visit and plenty of ways to explore how the city's residents recycle, reduce, and reuse waste. When you leave this place you'll leave knowing much more about what you can do to help protect the environment."

Why Composting?  Composting is a topic of growing interest in schools throughout the country. 

Pure Substances and Mixtures

What are Materials Made Of?  The e-source is split into 4 units: 1. Solids, liquids and gases   2. When materials mix  3. Separating material mixtures   4. Elements and compounds

Mixtures - from Chem4Kids

Solutions - from Chem4Kids


Energy (Heat and Temperature)  - Topics include Convection, Conduction and Radiation; How atoms and molecules are affected by heat; Real-life applications and examples  (by a Science teacher at Mansfield Middle School, Connecticut.)

Concept of Temperature - from NASA

States of Matter - from Chem4Kids

Heat: An Agent of Change - a NASA science module about heat and its effects on space flight - teacher's guides and student support materials

Boil Water with Shockwave    A controlled, water heating experiment without a lab or hot plates!!   Run this experiment, changing the water amount, the starting water temperature, and/or the heating power. Enter how long you think it will take to boil the water. The accuracy of your guess, as a percentage of the actual time, will be displayed.

Thermal Pollution - a ThinkQuest web site

Structural Strength and Stability

Super Bridge (from NOVA Online)  How would you span a freeway? A canyon? A river? Or an ocean waterway? Learn about the four major types of bridges and then test your knowledge by matching the right bridge to the right location.
A web-based student learning activity using this web site. 

Building Big   Explore large structures and what it takes to build them. Try your hand at the interactive engineering labs. Take on the challenges of building big.

Build a Tipi! In this Science Alberta Foundation resource, a young First Nations girl explains the steps involved in erecting a Cree tipi. With the girl’s coaching, students select materials, place poles, and insert stakes leading to the completion of the tipi.

The Great Buildings Collection documents hundreds of buildings and leading architects with 3D models, photographic images and architectural drawings, plus commentaries, bibliographies, and web links, for famous designers and structures of all kinds. 

The Earth's Crust

Natural Hazards - from Natural Resources Canada  (version française)

Natural Hazards - from Public Safety Canada  (version française)

Natural Hazards maps - earthquakes and volcanoes in Canada

The Savage Earth from PBS Online   An interactive, well-designed site addressing many of the expectations of the curriculum.

The  Dynamic Earth - from the Smithsonian National Museum of Natural History

Dynamic Earth an interactive Web site where you can learn about the structure of the earth, the movements of its tectonic plates, as well as the forces that create mountains, valleys, volcanoes, and earthquakes.

Virtual Earthquake is an interactive computer program designed to introduce you to the concepts of how an earthquake "epicenter" is located and how the "Richter magnitude" of an earthquake is determined.

Volcanoes - Can We Predict Volcanic Eruptions?  This is another excellent interactive site from the Annenberg/CPB Project.


Earthforce in the Crust  from The Franklin Institute Science Museum

Mountain Maker, Earth Shaker  This activity lets you manipulate tectonic plates. Pull the plates apart and push them together and watch what happens to the Earth. - from PBS

Paleomap Project - illustrates the plate tectonic development of the ocean basins and continents, as well as the changing distribution of land and sea during the past 1100 million years

Soil School - from, an environmental Internet resource providing teachers and students extensive curriculum-based information about soil.

Soil: The Fundamental Resource of Civilization

Rock and the Rock Cycle - an interactive animation

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