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36 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What term describes anything that has mass and volume?
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Matter
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What does the periodic table organize according to their properties?
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Elements
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What are the building blocks of matter?
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Atoms
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When sodium and chlorine atoms combine chemically to form table salt, what has been formed?
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A compound
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When ingredients for a cake are stirred together, what has been formed?
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A mixture
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What is formed when one substance dissolves into another substance?
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A solution
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Atoms are made up of subatomic particles called protons, neutrons, and what?
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Electrons
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Atoms of the same element always have the same number of what?
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Protons
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Elements in the same group on the periodic table have similar what?
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Properties
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Some elements are man-made. Most elements are found where?
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In Nature
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The two subatomic particles found in the nucleus of the atom are called what?
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Protons and neutrons
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Because electrons orbit so far from an atom's nucleus, atoms consist of mostly what?
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Empty space
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What is the most common chemical compound on Earth?
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Water
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How do molecules relate to atoms?
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Molecules are made of atoms joined together
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In which state of matter to particles have the least energy?
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Solid
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What shape is a liquid?
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The shape of it's container
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How are the molecules in a solid different from the molecules in a liquid?
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Molecules in a solid are more tightly packed and move much slower.
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What must be added to a solid to cause it to melt?
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Energy
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Which state of matter can only exist in extremely high temperatures, such as in the sun?
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Plasma
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Which state of matter has a definite shape and volume
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A solid
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Under normal conditions, what state of matter is oxygen?
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Gas
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What is the only substance that expands when it freezes?
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Water
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In sublimation, which state of matter is skipped over?
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Liquid
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How are evaporation and boiling different?
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Evaporation occurs above the surface
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Why do mirrors and windows appear foggy when you take warm showers during the winter?
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The water vapor condenses on the cooler surfaces
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Changes in the APPEARANCE of matter are what type of changes?
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Physical
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APPEARANCE-key word
Physical or chemical? |
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What type of change has occurred when one or more new substances have been created?
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A chemical change
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Mass is the amount of what in a substance?
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Matter
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Volume is the amount of what that matter occupies
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Space
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In a solution of chocolate milk, what is the solute?
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Chocolate
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Solute to the ones being dissolved!!! 😛😛😝😜
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What substance is referred to as the "universal solvent?"
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Water
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Density is the ratio of what two elements?
(What plus what equals the density of an object?) |
Mass and volume (mass and volume is the density of an object)
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Why is the water displacement method the easiest way to find the volume of irregular shaped objects?
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Irregular objects dont have length, width, and height
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How does the density of a solid object change when it is cut in half?
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It doesn't, it is the same.
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What is the boiling point of pure water in Celsius?
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100•celcius
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What is the freezing point of pure water in celcius?
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Zero degrees celcius
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