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Physical and Chemical Changes
States of Matter
Density
Grab Bag
100
CO, MgOH, and NaCl are all...
What are compounds
100
A bottle rocket is ignited, flies into the sky and explodes
What is chemical change
100
Describe the particle arrangement in solids, liquids and gases
What is in solids, the particles are tightly packed together, in liquids, particles are close, but have enough room to slide past each other, and in gases, particles are very far apart
100
Density can be viewed as a measure of how tightly packed an object's ___________ are.
What are atoms (or atoms and molecules)
100
The pyramids at Giza held the mummified remains of the ancient kings from this civilization.
What is Egypt
200
Uup, I, and Be are all...
What are elements
200
A block of ice turns to liquid water as it is heated
What is physical change
200
Compare particle motion in solids, liquids and gases
What is in solids, particles vibrate, in liquids particles slide past each other or flow, and in gases, particles are fast and free
200
This is the formula for density.
What is D = m / V
200
Matter is anything that has ___________ takes up ________ and is made of __________.
What is mass, space, atoms
300
The air we breathe is a ______________ of gases that is 78% _______, 21% ______, and 1% ______________.
What is Mixture, Nitrogen, Oxygen, Argon & other gases
300
Salt is mixed into warm water to form a solution.
What is physical change
300
Use the kinetic theory of matter to explain what happens to a gas as it is heated.
What is as a gas is heated, the atoms move faster and run into each other more frequently, causing expansion and an increase in volume.
300
A rock displaces 100 mL of water and has a mass of 500g. Its density is...
What is 5 g/cm^3
300
Name 1 of the top 3 NBA players for career blocked shots
Who are Hakeem Olajuwon, Dikembe Mutombo, and Kareem Abdul-Jabar
400
This explains the main difference between the symbols for elements and the formulas for compounds.
What is Element symbols have only one capital letter while compound formulas have more than one capital letter.
400
List three signs or indications of a chemical change.
Answers vary, but should include: change in color or odor, heat, light, or sound given off, formation of a precipitate, or foaming/fizzing/bubbling.
400
In a phase change diagram, this is how you identify the melting point and boiling point temperatures of a substance.
What is those are the flat spots on the diagram
400
A sample of mercury with 135.5 g of mass that occupies 10 mL of volume would have a density of ...
What is 13.55 g / mL
400
What do Saturn, a rattlesnake and a helium filled balloon have in common?
What is they're all made of atoms
500
This explains the main difference between compounds and mixtures.
What is compounds are a result of a chemical change and they are different from the elements that make them up, while mixtures are only physically combined and the substances that make them up keep their properties.
500
This is the common outcome of all chemical changes.
What is a new substance with different properties is formed
500
This is what causes stuff to change states of matter
What is increasing or decreasing energy (temperature)
500
A cube with 40 grams of mass measures 2 cm on each side. The density of the cube is ...
What is 5 g / cm^3
500
Name 1 of the top 3 NFL career leaders for rushing yards
Who are Emmitt Smith, Walter Payton, and Barry Sanders