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What measures the amount of gravity that pulls on an object? Weight
How is mass measured? grams/kg
How is weight measured? Pounds/ounces
What tools do you use to measure mass? electronic balance or triple beam balance
What tools do you use to measure weight? bathroom scale or spring scale
What is an atom? smallest particle of nonliving matter that can still be identified as that matter
What measures the amount of "stuff in an object"? Mass
What are the 3 parts of an atom? protons, neutrons, electrons
Protons Positive charge (+) and is inside the nucleus
Neutrons neutral charge (no charge)(n) and is inside the nucleus
Electrons negative charge (-) and fly around the outside of the nucleus
How are atoms named? named by the number of protons that they have in the nucleus
Where do you find the names of atoms? Periodic Table
What gives the atom its name? The number of protons
Atom smallest piece
What is a whole lot of the same kids of atom in a group called? An element
Where do we find information about elements? Periodic Table of Elements
According to our book, how many known elements are there? 116
What is the atomic number? The number of protons in one atom of that element
What is the atomic symbol? shortcut way of writing the name of an element
What is a compound? Something that is made of more than one element
What is a molecule? The smallest part of a compound and it has to contain more than one element
What is a compound? A bunch of molecules that are the same kind.
Does the state of matter affect the mass of an object? * No, the state of matter does not affect the mass of an object. The amount of stuff in an object stays the same no matter what state it is in.
Atom is to ___________as molecule is to _______ Atom is to element as molecule is to compound.
What are the 3 common states of matter Solid, liquid, gas
Describe a solid. *atoms are tightly packed together *rigid (doesn't move, stiff, definite shape) *have a definite, unchanging volume
Describe a liquid. *atoms loosely packed; slip past each other *takes the shape of its container *has a definite volume (unchanging)
Describe a gas. *atoms are very far apart *atoms move rapidly (fast) *atoms ove as far as they can until something stops them *no definite shape *no definite volume
What happens to the states of matter when you add heat or increase temperature? Changes from a solid to liquid to gas
What happens to the states of matter when you take away heat or decrease the temperature of matter? Changes from a gas to a liquid to a solid
What is the 4th state of matter? Plasma
Describe plasma Not found on earth naturally
What does classify mean? to sort into groups according to a specific attribute (something that objects in each group have in common)
What are properties of matter? What we use to classigy the matter (attributes)
What are the physical properties of matter? Things you observe by using your senses.
Give some examples of physical properties of matter. mass, volume, length, weight, state of matter, temperature, speec, color, shape, smell, taste
What is a physical property of matter? Something you observe by using your senses.
What is a physical change? changes the way the matter looks, sounds, feels, tastes, smells. Will not change what the matter is.
What are some examples of physical changes? melting ice, freezing water, tearing paper.
What is kinetic energy? energy of movement
What type of kinetic energy do solids have? very little kinetic energy; atoms are tightl packed, barely vibrating, in a rigid pattern.
What type of kinetic energy do liquids have? some kinetic energy; atoms loosley packed, slip past each other, somewhat of a pattern in arrangement but it will change according to container.
What type of kinetic energy do gases have? lots of kinetic energy; atoms moving fast , no where near each other, no pattern, taking up all available space.
Created by: klidde01