1st semeter vocab Word Scramble
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Question | Answer |
What is a proton? | A proton is a positive charged particle found in the nucleus of an atom |
What is a neutron? | A neutron is a neutral(no charge)particle found in the nucleus of a atom |
What is a electron? | A electron is a negative charged particle found in a electron shell of a atom |
Define valence electrons. | Valence electrons are found on the outer shell.All elements in the same group have the same # of valence electrons. |
When should you use safety goggles? | You should use safety goggles when heating liquids,working with chemicals,and when a teacher tells you to |
When do you use a petri dish? | For growing microrganisms |
When do you use tongs? | when picking up hot objects |
When do you use test tubes? | to hold small amounts of liquids or chemicals |
What is a element? | It is a substance made entirely from one type of atom |
What is a periodic table? | It is a table with elements arranged by atomic number and mass in rows |
Define group. | The rows are vertical.All elements in the same group have the same chemical properties and the same number of electron shells. |
Define period. | The rows are horizontal.All elements in the same peroid have the same number of electron shells |
Define Newton's First law | An object will stay at rest or in motion unless acted upon by a unbalanced force |
Define Newton's Second law | A force acted on by a unbalanced force will accelerate in the direction of the force. Force = Mass x Acceleration |
Define Newton's Third law | forces always act in a equal but opposite reaction |
What is the Law of Consevation of Mass? | It states that matter is neither created nor destroyed |
What is a chemical equation? | It is a shorthand form of writing that shows what reactants and products are formed in chemical reaction |
What is the reactant? | Substance that exists before chemical reaction |
What is the product? | Substance that forms as a result of a chemical reaction |
What is inertia? | when an object's tendency to remain at rest or keep moving with constant velocity.Depends on mass |
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