Vocabulary
Define matter.
Ms Lopez please draw the problem....
What is gas diatomic element?
Order from least dense to most dense:
corn syrup: 1.33 g/ml
Honey: 1.36 g/ml
water: 1.00 g/ml
dish soap: 1.03 g/ml
What is water, dish soap, corn syrup, honey?
Define thermal energy
What is the total energy of the motion of all of the particles in an object
A rock has a mass of 210 grams and occupies a volume of 70 cm3. What is the density?
What is 3 g/cm3?
Define a compound.
What is a substance that is made up of two or more elements.
A bowl of mixed nuts is an example of what type of mixture?
What is a heterogenous mixture?
A graduate cylinder is filled with 15 ml of water. A unknown object was submerged into the cylinder and now the level is at 32ml. What is the volume?
What is 17 ml?
What is a chemical reaction?
A rock occupies a volume of 20 cm3 and has a mass of 54 grams. Find the density of this rock.
What is 2.7 grams?
Define density.
What is the measure of the mass of a material with a given volume.
H also known as Hydrogen is an example of what?
What is an element?
A cube has a mass of 25 g.
Length: 2 cm
Width: 2 cm
height: 2 cm
What is the volume?
What is 8 cm3?
Matter is not created or destroyed in any chemical or physical change this is because of....
What is the law of conservation of mass?
The density of a liquid is 0.739g/ml. What is the mass of 125 ml of the sample?
What is 92.4 g?
Define a chemical change
What is a change in matter that produces one or more new substances.
Ms Lopez please draw the problem...
What is liquid mixture of compounds
Define Volume
What is the amount of space that matter occupies?
You grab a cup with ice but forget about it for a couple of hours. You return and see all your ice has melted. This is an example of what kind of reaction?
What is a physical reaction?
The density of Caron tetrachloride is 1.59g/ml. Calculate the volume of 26.4 grams of the liquid.
What is 16.6 ml?
Define a physical change
What alters the form or appearance of matter but does not turn any substance in the matter into a different substances.
Ms Lopez please draw the problem....
What is solid compound
What is the difference between mass and weight
What is:
Mass is the the amount of matter in an object
Weight is the force of gravity on a object
You bake bread for all your family. What are some indicators of a chemical reaction?
(bread is already baked)
What is color changing?
A graduated cylinder was filled with 25.0ml of water. A solid object was immersed in the cylinder, raising the water level to 32.9ml. The solid has a mass of 69.2. What is density of the object?
What is 8.76g/ml?