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Time Machines. Lab Book. Build-It-Yourself.com. Time is a basic concept in almost everything we do. Time is precious. Time is money. Time is the fourth dimension. Time flies. Time out!. Time. Build-It-Yourself.com. Time Line History of Clocks. 2000 BC – Sun Dial 1500 BC – Water Clock
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Time Machines Lab Book Build-It-Yourself.com
Time is a basic concept in almost everything we do. Time is precious. Time is money. Time is the fourth dimension. Time flies. Time out! Time Build-It-Yourself.com
Time Line History of Clocks 2000 BC – Sun Dial 1500 BC – Water Clock 300 AD – Hour Glass 1660 AD - Pendulum Clock 1840 AD - Electric Clock 1955 AD – Atomic Clock 2013 AD – Build-It-Yourself Cuckoo Clock Build-It-Yourself.com
One of the oldest scientific instruments was invented around 2000 BC. During the day the sun rises in the east and sets in the west. A sun dial will cast a shadow that can be calibrated to tell day time. Sun Dial Build-It-Yourself.com
Water Clock Water clocks may be as old as sun dials. This is a Greek Clepsdra, meaning Water Thief. (1500BC) Build-It-Yourself.com
Sand Clock Sand clocks (or hour glasses) were used in early ships for dead reckoning navigation. 300AD Build-It-Yourself.com
Pendulum Clock A swinging pendulum has a fixed time between swings. This property can be designed to keep very accurate time. A clever ‘escapement’ mechanism converts swinging motion to rotation motion. 1660AD Build-It-Yourself.com
Electric Clock Electric motors eliminated the need for frequent resetting of previous clocks. 1840AD Build-It-Yourself.com
Atomic Clock As scientists required extremely accurate measures of time, the atomic clock was invented. 1955AD This clock can keep time accurate to within Build-It-Yourself.com
Cuckoo Clock Your mission is to design machine that tells time and alerts you at specified times during the day. Build-It-Yourself.com
Time Line History of Clocks 2000 BC – Sun Dial 1500 BC – Water Clock 300 AD – Hour Glass 1660 AD - Pendulum Clock 1840 AD - Electric Clock 1955 AD – Atomic Clock 2013 AD – Build-It-Yourself Cuckoo Clock Build-It-Yourself.com
Do you have trouble waking up in the morning? Are you often in a foul mood when you get up? The Problem Build-It-Yourself.com
Your mission is to build a cuckoo alarm clock that wakes you up on time and puts you in a good mood. It could tickle you, play rock ‘n roll music, spray you with water, beat a drum, tell you a joke and more. Each hour your cuckoo clock could make a critter come to life. The Mission Build-It-Yourself.com
A Scratch program will keep time, play tunes, control animated characters and drive motors that make your cuckoo critters shake, rattle and roll. The Plan • Research time machines. • Describe your solution. • Draw animated critters. • Record jokes, quotes, and music • Write a program to control your time machine. • Build mechanical wake-up mechanisms. • Present your solution to the world. Build-It-Yourself.com
Disney Clock Many visitors come to watch this clock tell time at Disney World. http://www.youtube.com/watch?v=hbP1ZczJBFo Build-It-Yourself.com
Cuckoo Birds Use PowerPoint to create animated cuckoo birds. Build-It-Yourself.com
Quotes, Jokes, Tunes Create content for your time machine. “The time you enjoy wasting is not wasted time.” “Why did the duck fly south? Because it would take too long to walk!” Build-It-Yourself.com
Scratch Program Control Build-It-Yourself.com
Scratch Program Control Program execution time impacts clock accuracy. Which program is more accurate and why? How much time is lost each minute in the first program? Build-It-Yourself.com
Cuckoo Critters Build a flock of cuckoo critters and make them come alive every hour using the Build-It-Yourself Scratch motor controller. Build-It-Yourself.com
