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physical science exm
physical science exam
| Question | Answer |
|---|---|
| physical science deals with what? A.living things B Earth and space C matter and energy. | C matter and energy. |
| science comes for the latin word "Scientia" meaning A experiment B discussion C knowledge. | knowledge. |
| six steps in the scientific method | 1.state the problem 2 gather info 3 make a guess 4. test your guess 5 record your data 6 form a conclusion |
| what is a constant when we are talking about planting a flower. | same soil, the amount of water and sunlight,same plant |
| what is a dependent variable when we are talking about planting flowers. | how well the plants are growing |
| which is stronger a theory or a law of science. | a law of science. |
| what does SI mean | meter |
| what does mass mean | grams |
| what does temperature mean | kelivn |
| what does liquid volume mean | liter |
| what does the circle graph look like with 50/100 25/100 12/100 6/100 | Draw what you think it will look like |
| id i ride a bike to kroger (8km) and back to house, what is my displacement> | 16 |
| speed=distance/time an ant travels 75cm in 5 sec. what is was the ants speed | s=d/t 15cm/s=75cm/5s |
| what is the difference between weight and mass | weight- is the force of gravity and mass is the amount of matter. |
| you weight on the moon is approximately 1/6 of that while on earth , why? | the moon has less pull , the moon doesn't have that much mass either |
| what is the difference between statice friction and sliding friction | no motion??? |
| what are the two factors that determine the amount of gravity between two objects. | mass and distance apart. |
| newtons 3rd law of motion "for every action force on an object..... | equal and opposite reaction |
| F=mxg Gravitational Force+ mass X acceleration what would be the gravitational force on a sky diver with the mass of 60 kg. | F=60 x 9.8 m/s squared =588 newtons. |
| give a brief definiton / explanation for friction | a force , when two parts of matter pass by each other. |
| newtons 2nd law force=massX acceleration an85 kg mass has an accekeration of 5.5 m/s. what is the net force. | 85 kg X 5.5 m/s -467.5 newtons |
| how could the kinetic energy of a truck be increased without incresing the trucks speed? | Increase the mass |
| a glass vase is sitting on an armoire shelf 1.5 m above the floor. explain two ways in which the gravitational potential every of the vase might be changed | up, down, add mass |
| explain whether an object can have kinetuc energy and potential energy at the same time | it has to be free falling |
| a light bulb is a device that transforms electrical energy into____ and ____ | heat and light |
| the law of conservation of energy states... | energy cant be created pr distroyed it can be foremed. |
| what is kinetice energy | energy of motion |
| what is potential energy | stored energy |
Created by:
maddielayne
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