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4th unit 1, lesson 3

4th unit 1, lesson 3 adn unit E chapter 1

QuestionAnswer
solubility Measures the amount of one material that will dissolve in another material
matter term for anything that takes up space and has mass
mass amount of matter something contains
volume amount of space that matter takes up
solid matter that has a definite shape and a definite (space)volume. Particles move back and forth around a point
liquid matter that has a definite volume and takes the shape of its container. Particles slip and slide past each other
gas matter that has no definite shape and takes up no definite amount of space or volume. Particles move freely and rapidly in all directions.
solution a mixture in which one or more kinds of matter are mixed evenly in another kind of matter
dissolves what happens when one material forms a solution with another material
buoyancy ability of matter to float in a liquid or gas
density compares an amount of matter to the amount of space it takes up
chemical change a change that produces new matter with different properties from the original matter
physical change a change that begins and ends with the same type of matter
change of state a change of matter from one state - solid, liquid, or gas --to another
evaporation when a liquid changes into a gas without boiling
rust a solid brown material formed when iron combines chemically with oxygen
tarnish a discoloration of metal by exposure to air
Matter is made of small bits called particles
Submarines an sink or float by controlling their buoyancy
Matter that is _______ that water will float on water less dense
Adding heat makes particles in matter move faster
A liquid measuring cup measures the _____ of a liquid volume
A _______ is an example of an object that has _____ in it that has no definite shape or volume. helium balloon; gas
____ is an example of a _____ that has definite volume but not a definite shape Water in a glass; liquid
A ______ is an example of a solid that has a definite shape and takes up a definite amount of space rock
A change of color is a sign of a _____ change chemical
The three basic states of matter are solid, liquid, and gas
You can measure mass by using a pan balance
Mass is measured in units called grams or kilograms
If a white golf ball is heavier than a large foam ball, the golf ball has more matter taking up the smaller space and has a greater density.
A solid object denser than water ___ in water. sinks
A solid object less dense than water ____ in water. floats
Ice is _____ than liquid water so it floats less dense
A physical change is a change in the shape, size, or state of substancee
After a _________, certain _______ of the matter change. However, the matter is still the same substance. physical change; properties
A _____ , also known as a _______ reaction, begins with one kind of matter and ends with another. chemical; chemical
All chemical reaction either ____ or ____. give off energy or use energy
Changes in color or smell are chemical changes
______ is a change of state from a solid to a liquid. Melting
_____ is a rapid change of state from a liquid to a gas. Boiling
_______ is the change or a liquid to a gas without boiling Evaporation
_____ is water that changes state form a gas to a liquid Dew
When we cook food, we change the ____, ____, and ____ of food. color, taste, and texture
Cooking and baking cause _______ in food. chemical changes
Gas bubbles are a sign of a ________. chemical change
Melting ice physical change
Rusting chemical change
Tarnished silver chemical change
Boiling water physical change
frying a hamburger chemical change
Cutting a piece of wood physical change
Burning a piece of wood chemical change
Grinding wheat into flour physical change
Grinding sugar crystals into powder physical change
Cutting paper into small pieces physical change
Baking bread in a oven chemical change
Lighting a match chemical change
Created by: svlincoln
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