Chopping wood is an example of
An ___________ is a mixture of two or more metals, or a mixture of metals and nonmetals.
The change of liquid into a gas is called
A piece of mesh or screen that holds back large pieces in a mixture is a/ an
When some metals react chemically with sulfar in the air, ___________ forms.
Weak _______are found in many foods such as lemons and oranges.
A process called _________ can seperate salt and water from salt water
Substances that taste bitter and have a slippery, soapy feel are _________.
Two or more elements that are chemically combined are _______________.
Burning a match is an example of ______________.
Simple Machines can be combined to make a _____________
stored enery is ______________
An object's speed and direction of motion is its ______________.
Force is measured in units called
A change of speed or direction of an objects motion is called ______________.
Forces that are unequal in size, or opposite in direction are ________________.
THe force that acts over a distance and pulls objects together.
The energy of motion is
The distance an object moves in a certain amount of time.
Forces that are equal in size and are opposite in direction are
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