B.C. Science Probe 5

Unit A: Forces and Machines

UNIT A - Forces and Machines

Bill Nye the Science Guy
You can find information and activities about forces and machines. Click on Episode Guides for information and Home Demos for activities.

UNIT PREVIEW

Roller Coasters
Find out about the science behind roller coasters, their history, and how to make one.

Chapter 1: Forces Around Us Affect the Movement of Objects

CHAPTER 1 OPENER

Skateboarding
Learn about the science of skateboarding and skateboarding equipment.

Section 1.1: What Makes Things Move.

Hockey
Learn about the science of NHL hockey at this Exploratorium site.

Section 1.2: Measuring Forces

Calculating Weight
Calculate your weight on all of the planets.

Weight on Earth
Read about the GRACE (Gravity Recovery and Climatic Experiment) mapping of the Earth's gravitational pull. Find out where on Earth you will weigh the least.

Section 1.3: Friction

Friction and Movement
Learn about friction and how it affects the movement of objects in this interactive site.

Section 1.4: How Does Surface Texture Affect Force?

Experiment with Friction
Do this experiment to find out if bearings can reduce friction.

Section 1.5: What Affects the Amount of Force Needed to Move an Object?

Moving Objects in Space
Log into this NASA site to learn how astronauts train to work in the microgravity of space.

Section 1.6: How Do Slope and Load affect How Far a Can Rolls?

Forces and Sports

Section 1.7: Combining Forces

Force Diagrams
Learn how forces combine and how to draw force diagrams to show all the forces acting on an object.

Momentum
Learn how to calculate an object's momentum.

Forces and Flying
Learn about the forces of aeronautics and how thrust, drag, and lift affect flight.

Balanced and Unbalanced Forces
Find out more balanced and unbalanced forces and many other topics related to forces.

Chapter 2: Machines Use Force to Do Work

Section 2.1: Machines Make Work Easier

Work and Machines
Find out more about work and the history of simple machines.

Section 2.2: Machines and the Work They Do

The Simple Machines
Read information about the six simple machines and choose activities to demonstrate how they work.

Machines in the Home
Explore simple machines found in the home and tool shed on this interactive site.

Section 2.3: Levers

Scissors
Learn how a pair of scissors contains levers in action and do a science activity on levers.

Balancing a Lever
On this site you can balance frogs along a lever. Move closer or farther away from the fulcrum to create a balance of two frogs of different weight.

Archimedes Claw
Learn about Archimedes claw - a machine that used the principle of the lever to flip an attacking ship.

The Three Classes of Levers
Learn about the three classes of levers. Watch them in action and read about examples of each class.

Section 2.4: Wheels and Axles

History of the Wheel

Build a Whirligig
Use what you know about wheels and axles to build a jumping whirligig in a box.

Moving Gears
Learn about a special wheel called a gear. Play a game to see how gears move when they are meshed together.

Section 2.5: Pulleys

Pulleys at Work
Design an "elevator" to move food above the ground.

Section 2.6: Inclined Planes and Wedges

Inclined Planes

Wedges

Section 2.7: Screws

The Screw

The Robertson Screw

Chapter 3: We Use Simple and Compound Machines to Do Work for Us

Section 3.1: Compound Machines

Compound Machines Past and Present
Look at pictures of common compound machines, including both early and modern machines.

Matching Game
Go to this site to play a game and try to match a Leonardo da Vinci sketch of a machine to its purpose.

The Bicycle
Find out about the science of cycling. Click on the menu for links to find out more about wheels and axle and gears in a bicycle.

Section 3.2: The Power of Compound Machines

The Springwalker
Learn about the Springwalker, a new machine that increases the power of leg movements.

Section 3.3: Compound Machines Over Time

Pioneer Tools
Learn how machines have changed over time by finding out more about the tools and machines used by pioneers.

Pioneer Life
Learn about pioneer tools and how pioneers made their homes, obtained food, and moved from place to place.

Section 3.4: Compound Machines in Mining

Mining for Gold
Find out about the tools and machines used in early gold mining operations in British Columbia .

Coal Mining
Find out how coal was mined in British Columbia and how it is mined today.

Section 3.3: Compound Machines in Forestry

The Steam Donkey
Learn about the role of the machine called the steam donkey in logging in British Columbia .

Early Logging
Look at photographs of early logging in British Columbia .

Science Works Carving Using Simple and Compound Machines

Carving a Totem
See Harold Harry, a pole carver in action.

Section 3.6: Nisga'a Fish Wheel

The Nisga'a Fish Wheel
Take a closer look at a Nisga'a fish wheel and learn how this fishing method helps the Nisga'a nation manage the salmon.

Apply What You've Learned: How We Use Machines Then and Now

Haida Canoes
Learn how the Haida carved canoes and more about their history.

Life of Early Settlers
Learn about the early ways of British Columbia settlers, including farming, fishing, agriculture and mining.

Raising Totem Poles
Learn about the raising of totem poles.

Early Transportation
Learn how early settlers to Canada traveled to get here and to move across the country.

Making Connections: Design a Compound Machine

Rube Goldberg Inventions
Get inspiration and enjoy looking at some of the inventions of Rube Goldberg. Follow the links to check out Rube Goldberg designs at the Gallery, read biographical information, or to find out about Goldberg competitions in your area.

Interesting Inventions

UNIT B - The Human Body

Chapter 4: Your Body Takes In Nutrients and Oxygen to Keep You Alive

Section 4.1: What Is a Body System?

Cells to Systems
Learn all about cells and how your body's cells are organized into tissues, organs, and systems.

Section 4.2: Your Digestive System and How It Works

Digestive System
Read more about the digestive system and have fun with an interactive diagram of the system.

Healthy Eating
Take a short quiz on healthy eating, and then read to find out more about the correct answers.

Section 4.3: Your Respiratory System and How It Works

Respiratory System
Read an article on the lungs and the respiratory system, including some common diseases.

Breathing
Look at an animation to see what happens inside your body when you breathe in and out.

Apply What You've Learned: Make a Good Health Poster

Canada/s Food Guide to Healthy Eating
Find out what and how much you should eat.

Chapter 5: Your Heart and Blood Carry Nutrients and Oxygen to Your Cells

Section 5.1: Your Body's Transportation System

This page gives you an overview of the circulatory system. You can go to other pages to find out more about the system as you read the sections in your textbook and do an interactive quiz at the end.

Section 5.2: The Job of Your Heart

Pumping Blood
This animation shows how blood moves into and out of your heart.

Section 5.3: Your Blood and What It Does

Blood

Blood Types

Section 5.4: Does Exercise Affect Your Heart Rate?

A Healthy Heart
Find out more about your heart and why exercise is good for it.

Section 5.5: Getting Rid of Wastes Through Your Blood

The Excretory System
Read an article on the kidneys and excretory system and look at an interactive diagram of the system.

Section 5.6: How Your Circulatory Systems Interacts with Other Body Systems

Four Systems
Click on the links to review what you have learned about the respiratory, digestive, circulatory, and excretory systems.

Chapter 6: Your bones, Muscles, and Skin Support and Protect Your Body

In this puzzle, put the bones back together to make a human skeleton.

Skeleton Game
Click on the skeleton to show where different bones are.

Section 6.3: How Your Bones Move

Joints

Section 6.4: The Role of Calcium in Bones

Healthy Bones
Read why and how you can take care of your bones. You can also do a word puzzle on "bone" words.

Muscles

What Muscles Can Do

Section 6.6: Skin: Your Protective Covering

Skin, Hair, and Nails

Section 6.7: How Your Bones, Muscles, and Skin Interact with Other Body Systems

Two Systems
Click on the links to review what you have learned about the skeletal and muscular systems.

Bones, Muscles, and Skin
Read this to review bones, muscles, and skin.

Section 7.1: The Parts of Your Nervous System

Parts of the Nervous System

Section 7.2: The Brain: Your Control Centre

Jigsaw Puzzles
Do some on-line jigsaw puzzles and see if you can improve your scores through practice.

Read and see what happens in your brain when you hear the word "cat."

Section 7.3: Test Your Reaction Time

Play Baseball
Test your reaction time and see how quickly you can "swing a bat."

Red Light, Green Light
Another reaction time test. Can you improve your reaction time?

Optical Illusions
See how your brain can be fooled by these famous optical illusions.

Read an article on the eye that includes a diagram of the eye.

Section 7.5: How Your Nervous System Interacts with Other Body Systems

Choose a body system at the top of the page to review what you have learned in this unit.

Play an interactive game where you put organs from each body system back into a body.

UNIT C - Earth's Resources

Chapter 8: We Depend on Earth's Natural Resources for Our Survival

Section 8.1: Earth's Natural Resources

Natural Resources in British Columbia
Look at this site for an overview of British Columbia 's natural resource use in fishing, mining, and forestry over the last 200 years.

Section 8.2: The Impact of Resource Use

Learn about the ecosystems of Earth. You can listen to a narrator explain the different biomes of the world.

Terrariums

Section 8.3: Conserving Resources

Conservation

Chapter 9: Renewable Resources Can Replace Themselves

Section 9.1: Renewable Resources

Protecting Renewable Resources
Go to the Youths page for information and activities about protecting our natural resources in British Columbia .

Section 9.2: Salmon

Life Cycle of Salmon
Find out about the life cycle of salmon and play some games.

Section 9.3: Forests

Trees of British Columbia
Find out about the large variety of trees found in British Columbia .

Paper Making
Make your own paper at home or in the classroom.

Forests
Learn about trees, how they benefit people, and how you can help protect them.

Play a Game

Awesome Science: Cedar: The Tree of Life

Totem Poles
Find out about totems and what the carvings on them mean.

Section 9.4: Water

The Water Cycle

Section 9.5: How Does Water Pollution Affect Living Things?

Polluting the Ocean
Play a detective to find out how contaminants affect the living things in our seas.

Section 9.6: Renewable Energy Resources

Solar Energy

Renewable Energy Resources
Use the interactive map to find out about different renewable energy resources.

Chapter 10: Non-Renewable Resources Can Be Used Only Once

Section 10.1: Non-Renewable Resources

Word Puzzles
Solve word search puzzles about oil and gas and diamond exploration, mining, and drilling.

Minerals and Metals
Explore this site to find out about minerals and metals mined in Canada , how minerals and metals are important in our lives, and much more.

10.2: Mining Minerals

Mining

10.3: Processing Ore to Find Minerals

Copper

ScienceWorks: Plants: Nature's Way of Helping the Environment

Air
Learn about air and how to maintain and improve the quality of air in British Columbia .

Section 10.4: Opening and Closing a Mine

Reclamation
Look at photos showing the reclamation of mine sites in British Columbia .

Section 10.5: Mining Chocolate Chips

Start a Mine
You can start a mine on this interactive web site.

Section 10.6: The Pros and Cons of a New Copper Mine

Opening a Mine
Find out about opening and closing a mine in Australia .

Section 10.7: Fossil Fuels