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cbafour
energy, force and motion, simple machines
| Term | Definition |
|---|---|
| NEWTON'S 1ST LAW OF MOTION | OBJECTS AT REST STAY AT REST, OBJECTS IN MOTION STAY IN MOTION, UNLESS ACTED ON BY OUTSIDE FORCE |
| NEWTON'S 2ND LAW OF MOTION | FORCE = MASS X ACCELERATION |
| NEWTON'S 3RD LAW OF MOTION | FOR EVERY ACTION THERE IS AN EQUAL AND OPPOSITE REACTION |
| UNBALANCED FORCE | WHEN FORCES ACTING ON AN OBJECT ARE NOT EQUAL |
| NET FORCE | THE TOTAL FORCE ACTING ON AN OBJECT |
| SPEED | DISTANCE DIVIDED BY TIME |
| GRAVITY | A FORCE THAT PULLS OBJECTS TOGETHER |
| BALANCED FORCE | WHEN OPPOSING FORCES ACTING ON AN OBJECT ARE EQUAL |
| FRICTION | FORCE CAUSED BY RUBBING OBJECTS TOGETHER |
| KINETIC | ENERGY OF MOTION OR MOVING THINGS |
| POTENTIAL | STORED ENERGY |
| ELECTRICAL | ENERGY MADE BY THE FLOW OF ELECTRONS |
| LAW OF CONSERVATION OF ENERGY | ENERGY IS NOT CREATED OR DESTROYED, ONLY TRANSFERRED OR CONVERTED |
| ELECTRIC FAN | CONVERTS ELECTRICAL ENERGY TO MECHANICAL ENERGY |
| PHOTOSYNTHESIS | CONVERTS SOLAR ENERGY TO CHEMICAL ENERGY |
| GEOTHERMAL ENERGY | MADE FROM STEAM FROM THE EARTH AS HEAT |
| RENEWABLE | ENERGY THAT IS EASILY REPLACED OR READILY AVAILABLE |
| NON RENEWABLE | ENERGY NOT EASILY REPLACED. TAKES 1000'S OF YEARS TO REPLACE |
| URANIUM | RADIOACTIVE ELEMENT THAT IS USED TO MAKE NUCLEAR ENERGY |
| COMPOUND | 2 OR MORE ELEMENTS COMBINED CHEMICALLY. NEW SUBSTANCE IS FORMED |
| RUSTING NAIL | EXAMPLE OF A CHEMICAL CHANGE |
| RIPPING PAPER | EXAMPLE OF A PHYSICAL CHANGE |
| BAKING CAKE | EXAMPLE, CHEM CHANGE |
| BOILING WATER | EXAMPLE, PHYSICAL CHANGE |
| GOOD HEAT CONDUCTOR | METALS PROPERTIES |
| BRITTLE | NON METALS PROPERTIES |
| POOR ELECTRICAL CONDUCTOR | NON METALS PROPERTY |
| METALLOIDS | CHARACTERISTICS OF BOTH METALS AND NON METALS |
| NITROGEN | GAS(ELEMENT) THAT MAKES UP MOST OF EARTH'S ATMOSPHERE |
| MIXTURE | COMBINING 2 OR MORE SUBSTANCES. NO NEW SUBSTANCE IS MADE. NOT CHEMICALLY COMBINED |
| WATER | H2O (HYDROGEN AND OXYGEN) |
| PERIODIC TABLE | ARRANGES ELEMENTS BY CHARACTERISTICS |
| VELOCITY | DISTANCE DIVIDED BY TIME, PLUS DIRECTION |
| HYDROELECTRIC | USING FLOWING WATER TO TURN TURBINES |
| COMPOUND MACHINE | MACHINE CONSISTING OF 2 OR MORE SIMPLE MACHINES |
| PULLEY | SIMPLE MACHINE WITH A ROPE OR CORD WRAPPED AROUND A GROOVED WHEEL |
| LEVER | A SHOVEL OR HAMMER HANDLE IS AN EXAMPLE OF THIS SIMPLE MACHINE |
| FULCRUM | PART OF A LEVER, BUT NOT A SIMPLE MACHINE |
Created by:
husker2000
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