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Periodic Table
Matter
Density
Buoyancy
States of Matter
100
The periodic table has 118 of these.
What are elements?
100
All objects that have a mass and have a volume are made of this.
What is matter?
100
As the molecules of a substance become closer and closer together they can be called this.
What is more dense?
100
Water has a density of...
What is 1 g/mL?
100
Solids, Liquids, and Gases are these.
What are the states of matter?
200
Sodium (Na) has a mass of this.
What is 23.
200
True or false: an atom is mostly empty space.
What is true?
200
The units for density.
What are g/mL or g/cm3?
200
When a substance has neutral buoyancy it will not do this.
What is sink or float?
200
These could be two physical changes.
What is ripping paper and splitting wood? (Answers Vary)
300
These subatomic particles make up most of the mass of an atom.
What are the neutrons and protons?
300
This instrument is used to measure volume.
What is a graduated cylinder?
300
An object with this density will float in water.
What is less than 1 g/mL?
300
This is an example of an animal that has neutral buoyancy?
What is a fish?
300
This state of matter could take the shape and fill a container.
What is a gas?
400
There are this many electrons present in a single atom of Gold (Au).
What is 79 electrons?
400
Of the following particles, this one has the greatest mass. A proton, a neutron, an electron, an atom of helium.
What is an atom of helium?
400
This is why a hot air balloon floats.
What is hot air is less dense than cold air?
400
Oil floats on top of water because of this.
What is the density of oil is lower than the density of water?
400
As a substance changes phase the temperature of the substance will do this.
What is stay the same?
500
An atom that has 8 protons, 8 electrons, and 9 neutrons has an atomic mass of this.
What is 17?
500
All matter is composed of this.
What are elements?
500
A block with a volume of 40 cm3 and a mass of 80 g will have a density of this.
What is 2 g/cm3?
500
As you increase the temperature of a substance the density will do this.
What is decrease?
500
At this point of a phase change, solids and liquids exist together.
What is the melting/freezing point?