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Science Vocabulary Review

Across
A push or pull.
A solid substance that is formed in a solution during a chemical reaction.
A force of opposing motion between two surfaces that are in contact.
Anything that has mass and takes up space.
The amount of matter in an object in a given amount of space.
The distance traveled divided by the time taken to travel that distance.
A pure substance that cannot be broken down into simpler substances by physical or chemical means.
The state of matter that has no definite shape or volume.
A characteristic of a substance that does not involve a chemical change, such as density, color, or hardness.
The smallest particle in which an element can be divided.
A chemical reaction in which heat is released to the surroundings.
The state of matter that has a definite shape and volume.
Down
An object's change in position relative to a reference point.
A measure of the hydronium ion concentration in a solution.
A chemical reaction that requires energy to be taken in.
The rate at which velocity changes over time.
The amount of matter in an object.
The measure of gravitational force between objects.
The speed of an object in a particular direction.
A force of attraction between objects due to their masses.
A category of elements that are shine, and conduct heat and electricity.
A type of mixture in which the parts appear to be all the same throughout.
The negatively charged particles that orbit an atom.
The positively charged particles in the nucleus of an atom.
The state of matter that has a definite volume, but takes the shape of its container.