Introduction to Matter (8th)

Anything that has mass and takes up space is called__________.
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Anything that has mass and takes up space is called__________.
matter
What holds atoms together in a molecule?
chemical bonds
H20 and C02 are all examples of chemical
formulas
Soil, a salad, and sugar water are all examples of
mixtures
How do liquid water, ice, and water vapor differ from each other?
they are different states of matter
one example of a physical change is
Dissolving salt in water
one example of a chemical change is
burning wood
Table salt and water are examples of
substances
All elements are made up of basic particles called
atoms
If you heat a liquid and measure the temperature at which it boils, you are measuring a(n)
physical property
If you describe methane as a gas that easily catches fire, you are describing achemical propertyThe volume of an irregular object can be measured bysubmerging the object in water in a graduated cylinderThe ability to do work or cause change describesenergyFireworks exploding in the sky and giving off lights are an example of a(n)exothermic changeThe measurement of how much mass is contained in a given volume is calleddensityThe change in which ice absorbs energy and melts is a(n)endothermic changeIn the Lab, volumes of liquid are usually measured with a(n)graduated cylinderHow would you calculate the density of an object?divide its mass by its volumeThe SI unit unit for mass is thekilogram