vocabulary formulas physical or cemical chnge easy ones extra of all
100
define matter
anything that has mass and takes up space
100
What is C?
carbon
100
salt water
physical change
100
What is one of your five senses?
taste, touch, see, smell, hear
100
What is mass?
amount of matter in an object
200
What is a substance?
a single, pure kind of matter
200
What is H?
hydrogen
200
elephant toothpaste
chemical change
200
What is an example of a mixture?
trail mix, salad, soil
200
What is volume?
amount of space an object takes up
300
What are molecules?
two or more atoms held together by chemical bonds
300
What is H2O?
water
300
cutting carrots
physical change
300
What is 5x5?
25
300
How do you find the area of a box?
LxWxH
400
What is the basic particle from which all elements are made?
atom
400
What is N?
nitrogen
400
mixing baking soda with vinegar
chemical change
400
What is O?
oxygen
400
What is density?
an amount of mass in a given volume
500
What is a chemical formula?
represents a compound and shows the atom ratio
500
What is Fe?
iron
500
fireworks exploding
chemical change
500
What is science?
asking questions
500
how do you find density?
mass/volume






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