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Science Dessert
Dessert for science project (Jessica Ouyang)
Question | Answer |
---|---|
Density | The amount of matter in a given area |
Mass | How much matter is in an object |
Volume | How much space an object takes up |
Observation | Using your senses to gain information |
Inference | Using your observations to make a reasonable guess |
Group | Elements that have similar physical / chemical properties |
Period | Horizontal row of elements with a gradual change in properties |
Transition Elements | Elements in the middle, all of which are metals |
Representative Elements | Elements on either end of the table |
Law of Conservation of Matter | Atoms can't be created or destroyed during a chemical reaction |
Element Molecule | Molecules with only one type of atom |
Compound Molecule | Molecules with two or more types of atoms |
Synthesis | Formation of a compound from simpler compounds or elements |
Decomposition | A compound that becomes a simpler compound/ elements |
Single Replacement | Chemical reaction where one element replaces another element in a compound |
Double Replacement | A chemical reaction between two compounds in which they form new compounds |
HR Diagram | Diagram that shows classification of stars by temperature and color |
Main Sequence Star | Yellow stars of average temperature and brightness such as the Sun |
White Dwarf Star | Stars that are small and very hot, but not very bright due to its size |
Red Giant Star | Stars that are large and bright due to its size, but not very hot on the outside |
Light Year | The distance light travels in one year |
Meteor | A meteoroid that burns up in Earth's atmosphere |
Meteorite | A meteoroid that strikes the surface of a moon or planet |
Meteoroid | Small particles of rock that float around in space |
Acceleration | How much an object is changing its speed over an amount of time |
Force | A push or a pull |