Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
kassidy vocabulary
1st semester vocabulary for science
| Question | Answer |
|---|---|
| what does a beaker do? | A beaker holds liquids and for ballmark estimates. |
| What is the eye dropers purpose? | The eye dropper's purpose is to drop small amounts of liguid. |
| What does a microscope do? | A microscope magnifies microscopic objects. |
| What is the rulers purpose? | The ruler's purpose is to measure the lenghth of objects. |
| What does a triple beam balance do? | A triple beam balence measures the mass of an object. |
| What is an atom? | A atom is the smallest particle into which an element can divided and still have the properties of an element. |
| What are elements? | Elements are the building blocks of all matter. |
| What is a nucleus? | The nucleus is the center of an atom. |
| What is a atomic number? | Atomic number is the number of protons in the nucleus of an atom of a given element. |
| What is atomic mass? | Atomic mass is the mass of an atom expressed in atomic mass units. It is the number of protons and neutrons in a atom |
| What is Newton's first law? | Newton's first law states that a object at rest will stay at rest, and a object in motion will stay in motion untill acted on by a unbalenced force. |
| What is Newton's second law? | Newton's second law states that the acceleration of an object depends on the mass of the object and the amount of force applied to it. |
| What is Newton's third law? | Newton's third law states for every action there as a equal and opposite reaction. |
| What is a force? | A force is a push or a pull. |
| What is gravity? | Gravity is a force of attraction between objects that have mass. |
| What is a HR diagram? | A HR diagram is a chart that shows the relationship of a star's tempurture and its absolute magnitude. |
| What is a main sequence star? | A main sequence star is a newly foarmed star, the heat from the fusion causes the pressure that balances the attraction due to gravity. |
| What is a elliptical galaxy? | A elliptical galaxy is a spherical group of stars that are normally old and don't consist of a lot of dust and gas |
| What is a irregular galaxy? | A irregular galaxy is a group of stars with no real shape. |
| What is a spirial galaxy? | A spirial galaxy is a group of stars that have spiral arms that wind out from the center of the galaxy. |
Created by:
s0403142
Popular Science sets