Atoms&Molecules
Density
Physical Properties
States of Matter
Mix of All
100
What would you call a mixture of sugar and water?
a solution
100
Mario pours three different liquids into a beaker. He notices the layers stacked on top of each other in the beaker. Which property of the liquids is Mario most likely studying?
Density
100
Which of these physical properties would change if you increased the amount of matter?
density, mass, conductivity, solubility
mass
100
What are the three common states of matter?
Solid, Liquid, and Gas
100
Appearance, texture, and density are classified as
Physical or Chemical Properties?
Physical Properties
200
The physical state of a substance depends on the arrangement of atoms or molecules within it. The diagram shows the arrangement of atoms of the same substance at two different times. At Time 1 the atoms are close together. At Time 2 the atoms are moving apart.
Describe the phase changes that is happening.
A solid is becoming a liquid
200
Which statement best explains why a tree branch floats on water?
A. Wood is porous.
B.Wood is less dense than water.
C. Wood is Light
D. Wood is magnetic
B.Wood is less dense than water.
200
A student examined 3 blocks made of different substances. The blocks all had the same length, width, and height. Block 1 is made out of Plastic Foam, Block 2 is made out of Aluminum, and Block 3 is made out of Lead. Which statement most likely describes the blocks?
A. The blocks have the same hardness.
B. The blocks have the same density.
C. The blocks have different masses.
D. The blocks have different volumes.
C. The blocks have different masses.
200
A student pours water from a bucket into a rectangular fish tank. As the water fills the tank, which of these will most likely happen?
A. The tank will decrease in mass.
B.The bucket will increase in volume.
C. The water will become a different color.
D.The water will take on a different shape.
D.The water will take on a different shape.
200
Vanessa tested a property of three stones. She poured water into a graduated cylinder and recorded the water level. Then she added a stone to the graduated cylinder. She recorded the new level of the water. She repeated this action with the each stone.
What property of each stone was Vanessa most likely measuring?
Density, mass, volume, or temperature?
Volume
300
Which of the following is a molecule but is not a compound?
A. carbon dioxide (CO2)
B. ozone (O3)
C. sodium chloride (NaCl)
D. water (H2O)
B. ozone (O3)
300
What happens when oil is placed in water?
A. Some oil sinks below the surface.
B. Oil droplets form in the water.
C.The oil and water mix together.
D.The oil floats on top of the water.
D.The oil floats on top of the water.
300
Which physical property tells us if matter can transfer heat and electricity?
conductivity
300
Which of these substances also takes the shape of its container?
Rock, plate, honey, or marble?
honey
300
A student is pouring equal amounts of water, maple syrup, and cooking oil into a glass beaker and looking at how the layers settle. Which property of the liquids is the student most likely comparing?
Density, Mass, Temperature, or Volume?
Density
400
A sample of matter is made of identical particles. The sample could be
Element, Molecule, Atom, or mixture?
Element
400
Shontal compared some of the properties of a marble to a piece of wood. She placed a marble and a piece of wood in a bucket filled with water. Shontal observed the wood floating on top of the water, but the marble sank to the bottom of the bucket. Which statement best explains why the marble and piece of wood acted differently in the water?
A.The piece of wood contained more mass than the marble.
B. The marble contained more mass than the piece of wood.
C.The marble was less dense than the water.
D. The piece of wood was less dense than the water.
D. The piece of wood was less dense than the water.
400
Which substance can be used to conduct electricity in a circuit?
Metal, wood, rubber, or plastic?
Metal
400
What water evaporates, it changes from what phases?
Liquid to a gas
400
Paula determines a marble has a density of 2 g/ml. She used a graduated cylinder to get a volume of 4 ml. What was the mass of the marble?
8 grams
500
Choose ALL of the compounds below.
-ozone (O3)
-water (H2O)
-nitrogen gas (N2)
-carbon dioxide (CO2)
-sodium chloride (NaCl)
Water (H20), carbon dioxide (CO2), sodium chloride (NaCl)
500
I want to know if alcohol will float or sink when poured on top of water. I measure out 50 ml of alcohol and place it on a scale. It has a mass of 40 grams. What is the density of alcohol? will it float or sink?
0.80 g/ml so yes it will float
500
Salt dissolves easily in water, which physical property is this describing?
solubility
500
What happens to the particles of a liquid as heat is added and it starts to evaporate?
They spread apart and begin to move quicker as they change from liquid to gas.
500
What is it called when a gas cools down and starts to change back into a liquid?
condensation