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28 Cards in this Set
- Front
- Back
- 3rd side (hint)
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examples of matter
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book
hare nell dog cat humans air ect. |
aka anything
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non-examples of matter
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1.vacuum
2.space 3.thoughts 4.emotions |
1.sweep
2.ship goes through____ 3.brain work 4.feel |
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density is the relationship between a substances____ and______________.
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mass & volume
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what is the formula 4 density?
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D= _m_
v |
I love density
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how do you find the volume of an irregular object
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displacement
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bathtub overflowing
ex: rock |
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how do you find the volume of a regular object?
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V= L x W x H
or displacement |
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bcking a cake is an example of a:
a.phisical change b. chemical change c.phase change d. both b&c |
b. chemical change
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which involves the process ofa phisical change?
a.frying an egg b. mrs. terrell's "elephant toothpaste c.digesting food d.melting ice cream |
d.melting ice cream
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which one only changes in aperence?
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photosynthesis is co2+ H2O + ENERGY(SUNLIGHT)=C6H1206(SUGAR)+O2
WHAT KIND OF CHANGE IS THIS? |
chemical change
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a diferent substance
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co2+ H2O + ENERGY(SUNLIGHT)=C6H1206(SUGAR)+O2
what part of the equation does not matter? |
Energy
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Burning ANYTHING is what kind of change?
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A Chemical change
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WHat might you observe during a chemical change? (Three things)
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Gas being given off, color change, and a precipitate forming
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How many different types of atoms are found in any amount of ONE element?
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one
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How many types of atoms are found in any amount of a compound?
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Two or more
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Ho many TYPES of atoms are there in the following compound?
C6 H12 O6 |
three
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When you combine two or more atoms you can get a ____________ or a ___________
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Molecule or compound
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How many ATOMS total are there in one molecule of vitamin A (C20 H30 O)
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fifty (one)
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How many atoms TOTAL are there in a molecule of this compound?
C6 H12 O6 |
twenty four
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What elements are present in this molecule?
C6 H12 O6 |
Hydrogen, Carbon, Oxygen
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HOw many types of atoms are there in one molecule of vitamine A?
C20 H30 O |
Three
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The substances presentat the beginning of a chemical reaction
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Reactants
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The substances formed by a chemical reaction
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products
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During a chemical reaction, bonds between atoms in the reactants are __________ and new bonds are formed in the products
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broken
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In a chemical reaction...
(what is not created or destroyed?) |
atoms
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What are the three things that make up an atom?
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Protons, neutrons, and electrons
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What are atoms?
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The building blocks of all matter
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What is an element
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An element consits of one or more atoms of the same type
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Use the word atom in definition
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What is the difference between a compound and a mixture?
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A mixture can be seperated but a compound cannot.
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