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Science 1st Semester
Vocabulary from 1st Semester for Wonder Winter Wrap Up Project
Term | Definition |
---|---|
Safety Goggles | Eye protection. Used when working with heat, chemicals or on teacher instruction. |
Eye Wash Station | Used in case of emergency when chemicals haveentered eye. Used to rinse out eyes. |
Finding Density | To find density, we use the term D=M/V, or Density= Mass/Volume. |
Smelling Chemicals in the Lab | The correct way to smell things in the lab is to waft. |
Where to Put Equipment in Lab | Keep all lab equipment away from the edge of the table so that it doesn't fall off. |
Proton | A positively charged sub-atomic particle that determines the element. |
The 5 Chemical Changes | Change in temperature, light produced, gas produced, color change and solid precipitate formed are the 5 changes. |
Chemical Equation | A sentence that describes a chemical reaction. |
Neutron | A sub-atomic particle with no charge that determines an isotope in an atom. |
Electron | A negatively charged sub-atomic particle that determines an ion. |
Balanced Force | When the net forces acting on an object are 0 it is balanced. The object will not move. |
Unbalanced Force | When the net forces acting on an object are not 0. Object moves in direction of greatest applied force. |
Speed Graph | Shows the distance traveled in a certain time limit. |
Acceleration Graph | Shows the change in speed over a certain time limit. |
Newton's 1st Law | The law of inertia-Objects tend to stay in motion or at rest until an unbalanced force acts upon them |
Newton's 2nd Law | This law satates that Force=MassxAcceleration. |
Newton's 3rd Law | For every action, there is an equal and opposite reaction. |
Black Hole | An object said to be created by the supernova explosion of a large star, it is so dense and its gravitational pull is so strong that not even light can escape it. |
Molecule | When 2 or more atoms chemically bond. |
White Dwarf | What our sun will end up as. A small but extremely hot and dim object, it will continue to cool down until it becomes a black dwarf. |