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
science final review
fall semester
| Question | Answer |
|---|---|
| define mass what is the unit for mass | amount of matter in an object grams |
| define volume what is the unit for volume | amount of mass in a given space ML |
| define density what is the unit for density | an objects ability to sink or float g/ml or g/cm3 |
| how do you find the volume of an irregular shaped idem? | displacement |
| what is the formula to find volume | mass divided by density |
| what is the formula to find density | mass divided by volume |
| what is the formula to find mass | density times volume |
| what is a safe way to sell something in a lab | wafting |
| when should you wear safety goggles | when working with heat,chemicals,fire,and glass |
| define independent variable | |
| define controlled variable | |
| define dependent variable | |
| elements in the same group have what in common | # of valance electrons (react chemically simular) |
| elements in the same period have what in common | # of electron shells |
| what is the charge of a proton | positive |
| what is the charge of a neutron | negative |
| what is the charge of an electron | non or neutral |
| mass is ------ | middle |
| what is the large number in front of am element called | coefficient |
| what is the small number after an element called | subscript |
| define compound element | |
| define element | |
| define chemical change | |
| lidt the 6 evidences that a chemical change has occurred | 1.unexpected color change 2.gas produced 3.odor produced 4.solid precipitate formed 5.light produced 6.tempature change |
| what die the law of conservation of mass state | nothing is ever created or destroyed only changed |
| define observation | statement using your 5 senses |
| define inference | conclusion based on your observation |
| define hypothisis | statement about what you think will happen |
| what is the main rule when creating a hypothesis | making sure it is an if then statement |
| what is the formula for speed | distance divided by time |
| what is the formula for distance | speed times time |
| what is the formula for time | distance divided by speed |
| what is the formula for force | acceleration times mass |
| what is the formula for acceleration | force divided by mass |
| what i the formula for mass | force divided by acceleration |
| when conculating acceleration what unit do you use | m/s2 |
| define balanced force | |
| define unbalanced force | |
| What is newtons first law | |
| what is newtons 2nd law | |
| what is newtons 3rd law |
Created by:
Emme07
Popular Science sets