The part of the atom that has no charge
neutron
Mixture or solution? Blending tea, sugar, and hot water
Solution
What is the ability of one substance to dissolve in another?
solubility
Give one example of a chemical change
creation of a solid in a liquid or inside another solid during a chemical reaction
production of precipitate
What is the smallest unit of matter?
atom
If you are making kool aid and I ask you to increase the solvent? What would you do?
Add more kool aid
formed when 2 or more atoms join together chemically
molecule
Give one example of a physical change
Answers vary
to break down or apart
decay
what characteristics would describe the particles in a solid
They are closely packed and vibrate in their fixed positions.
If you are making tea and it is too sweet, and I ask you decrease the water, what would you call that?
Dilute
a combination of 2 or more substances
mixture
reactions and smoke are signs of what change?
chemical
how slowly or quickly something dissolves
rate
What is the behavior of particles in a liquid?
They slide over each other and take the shape of the container.
Which scenario will the sugar dissolve the quickest?
Granulated sugar is stirred in hot water
a special mixture where one substance is mixed evenly throughout another substance
Solution
food digesting is a ____________ change
chemical
The substance that does the dissolving
solvent
the definition, resists scratching refers to which term?
hardness
Why does hot water cause things to dissolve at a quicker rate?
Hot water has more energy
changing matter into smaller pieces of shapes
physical change
What kind of change is it when water evaporates into steam and can then condense back into water? Daily Double
a reversible physical change
has an even distribution of its parts in a mixture. Examples, lemonade, ice cream
homogeneous