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physical science 01
| Question | Answer |
|---|---|
| You are in a car driving high speed.You slam on brakes because you see a red light. You body goes forward when you slam on brakes. What force caused you to jolt forward ? | Inertia |
| What are all the simple machines ? | Levers,Inclined PLanes,Pulley's, Wedges, Screws, and Wheels & Axel's. |
| If you are traveling on a bus 18 m/s west. What type of motion is that ? | Velocity |
| What is gravitational pull ? | Gravitiational pull is almost like gravitational force, it pulls objects toward us and toward each other. |
| How do particles of a liquid move? | The particles move fast enough to overcome attraction between them. The particles are close and slide past each other. |
| What are the 3 states of matter ? | Liquid,Solid, and Gases |
| What energy transformation does a Light Bulb go through ? | First it goes through electrical energy,next light energy, and thermal energy. |
| What does the Law of Conservation of Energy states ? | That energy can neither be created or destroyed but transferred. |
| Does sound travel fast in steam, ice or water ? | Sound travels fast in solids, so therefore it travels fast in ice. |
| What type of wave does electromagnetic spectrum use? | Light wave |
| When 2 waves combine would it be a large amplitude or small ? Explain. | It would be a large amplitude,because the the 2 waves make one wave with a greater amount of energy. |
| If you are in a dark room and you yell would the sound of your voice reflect or not? Explain. | It would reflect, because the sound cannnot travel through a wall, it would reflect as an echo, because you are hearing yourself again. |
| Whats the formula of acceleration? | where a is acceleration vf is final velocity vi is initial velocity and t is time taken |
| What type of graph would you use to graph acceleration and why? Explain. | A line graph, because acceleration can change over a time or period. |
| What is the formula for speed ? | Speed=distance/time |
| What are the 3 ways that heat travel? | Conduction, Convection, and Radiation |
| What is charge? | A charge is a physical property and is when objects exert force. |
| How many elements and atoms are in the formula ? \FeS | 2 elements 42 atoms |
| True or False. Does a tornado do velocity? | True |
| What are mixtures? | a combination of 2 or more suubstances |
| When you mix all the colors of the rainbow what color does it make? | White |
Created by:
geoo
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