How do voices travel over the phone?
A clip in the Science Please! collection, Lift Off uses archival footage, animated illustrations and amusing narration to explain what makes a rocket lift off.
What makes a fridge cool? A clip from the Science Please! collection.
Are cows a time bomb just waiting to explode? Part of the Science Please! collection for children.
What's the angle on mirrors?
A clip in the Science Please! collection, The Force of Water uses archival footage, animated illustration and amusing narration to explain the Archimedes principle, of why some things float and others sink.
Why isn't it green, yellow or striped?
A clip in the Science Please! collection, Lightning uses archival footage, animated illustrations and amusing narration to explain: What causes the electrical discharge we see as lightning?
A clip in the Science Please! collection, Wheel Meets Friction uses archival footage, animated illustrations and amusing narration to explain how the invention of the ball bearing reinvented the wheel.
Edison's bright idea, or how the electric light bulb works?
Four strokes of genius.
What do X-rays, microwaves and light have in common? Part of the Science Please! collection for children.
Ages 6 to 11
Science - Physical Science
Technology Education - Communications and Technology
One student speaks to another through a plastic cup, which is attached to another plastic cup by a piece of string. Create a timeline showing images of the evolution of the telephone, from the time of its invention by Alexander Graham Bell in 1876 to the present. Try to understand the impact the appearance of the telephone had on daily life. Research the work of Alexander Graham Bell.