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Unit 4 Vocabulary
A review for Unit 4 Vocabulary
Term | Definition |
---|---|
Friction | A force that acts between two touching objects and that opposes motion |
balance | A tool used to measure the amount of matter in an object, which is the object's mass |
spring scale | A tool used to measure force |
matter | Anything that has mass and takes up space |
solubility | The ability of a substance to dissolve in another substance |
force | A push of pull, which may cause a change in an object's motion |
solution | A mixture that has the same composition throughout because all its parts are mixed evenly |
experiment | An investigation in which all the conditions are controlled to test a hypothesis |
relative density | It determines whether one substance will sink or float in another substance |
mixture | A combination of two or more different substances in which the substances keep their identities |
gravity | The force of attraction between objects; such as the attraction between Earth and the objects on it |
balanced forces | Forces that cancel each other out, because they are equal in size and opposite in direction |
variable | Any condition that can be changed in an experiment |
unbalanced forces | Forces that cause a change in an object's motion because they don't cancel each other out |
control | The experimental setup to which you will compare all other setups |