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Stack #2091200

QuestionAnswer
Anything that has mass and takes up space is called... Matter
What holds atoms together in a molecule? chemical bonds
H2O, CO2, and C12H22O11 are all examples of chemical... formulas
Soil, a salad, and sugar water are all examples of... mixtures
The volume of an irregular object can be measured by... submerging the object in water in a graduated cylinder.
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.
The measurement of how much mass is contained in a given volume is called... Density.
The density of a block of wood with a volume of 50 cubic cm. and mass of 100 grams is... 2g/cm3
The change in which ice absorbs energy and melts is a(n)... endothermic change.
How would you calculate the density of an object? Divide its mass by its volume.
The SI unit for mass is the... kilogram.
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 a... Chemical property.
A change that produces one or more new substances is called a (physical) change. F or T? False, chemical.
The smallest particle of an element is called a(n) (atom). F or T? True.
To find the (mass) of a rectangular object, you multiply the object's length, width, and height. F or T? False, volume.
A substance that undergoes a (chemical) change is still the same substance after the change. F or T? False, physical.
Hardness, texture, color, and freezing point are what properties of matter? Physical.
What is the fact that matter is not created or destroyed in any chemical or physical change? Law of conservation (matter)
What is formed when two or more substances are so evenly mixed that you can't see the different parts? Mixture.
A volume of 25 millimeters is the same as a volume of ____ cubic centimeters. 25
The tarnishing of is an example of what change? chemical
Mass is the measure of the total amount of _____ in any object. matter
The units , liter, milliliters, and cubic centimeter are all used to measure the _____ of an object or substance. volume
Every form of matter has two kinds of properties---physical properties and ______ properties. chemical
A compound may be represented by a(n) _____, which shows the elements in the compound and the ratio of atoms. formula
If you drop a marble into a glass of water, the marble will sink because its _____ is greater than that of water. density
Dissolving a spoonful of sugar in tea or coffee is an example of a(n) _______ change. physical
A(n) _______ is a substance formed from two or more elements that are chemically combined in a set ratio. compound
In a(n) _______ mixture, like salad, you can see the different parts. heterogenous
Created by: racingsloths
 

 



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