A solution has at least two parts, for example sugar and water. What are the terms used by scientists for these parts?
What is Solute and Solvent?
100
What are the four states of matter, from MOST to LEAST energy?
What are Plasma, Gas, Liquid, and Solid?
100
A pan of water on the stove disappears. What is the name of this phase change?
What is Vaporization?
100
You take a stick of butter out of the fridge and it begins to melt.
Is this an example of a physical or a chemical change?
What is a physical change?
200
All chemical compounds are made of two or more _____.
What are chemical elements?
200
All mixtures can be ______ by physical methods such as evaporation, filtration, and magnetism.
What is Separated?
200
Which state(s) of matter have the following physical properties?
-Indefinite shape (shape can change)
-Indefinite volume (takes up all available space)
What is Gas and Plasma?
200
Matter changes phase from a solid to a plasma. What happens to the overall energy of the particles?
What is the particles move more quickly/the energy is increased/the energy goes up?
200
Which of the following is NOT a physical property?
Color, Odor, Flammability, Hardness, Solubility, Density, Boiling Point, Melting Point, Freezing Point.
What is Flammability?
300
All matter can be classified into one of two types: pure substances or ______________.
What are Mixtures?
300
Mixtures with different parts that can be seen with the naked eye are called __________ mixtures.
What is Heterogeneous?
300
You have a sample of water. If the temperature is close to 0°K, what is the most likely state of matter of the water?
What is a solid?
300
You get a dry glass off the shelf and pour ice water into it on a hot, humid day. A few moments later, the outside of the glass is covered in water.
What is the name of the phase change you just observed?
What is Condensation?
300
Which of the following is NOT a chemical property?
Flammability, Reacts with water, Reacts with acids, Density.
What is Density?
400
Matter is anything that has _____ and takes up _____ (space).
What is Mass and Volume?
400
A heterogeneous mixture that has large particles that will settle out is called a ______.
Ex. Mud, Flour+Water
What is a Suspension?
400
Give one example for each state of matter.
What is TOO MANY EXAMPLES TO NAME?
400
Matter changes phase from a gas to a liquid. What happens to the overall energy of the particles?
What is the particles move more slowly/the energy is reduced/the energy goes down?
400
Which of the following is NOT a physical change?
-Freezing water to make ice cubes
-Melting gold to make jewelry
-Burning gasoline in a lawnmower
-Boiling water for soup
-Tearing a piece of aluminum foil
What is burning gasoline in a lawnmower?
500
How many atoms are there in three molecules of water?
What is 9 atoms?
500
This is the common name for a homogeneous mixture.
Ex. Saltwater, Kool-aid, Sweet tea
What is a Solution?
500
What is one difference between matter in the gas state and matter in the plasma state?
What is higher energy, charged particles, gives off light?
500
A piece of solid matter changes phase directly into a gas without becoming a liquid first, and then changes phase directly back into a solid.
Which two phase changes just occurred?
What is Sublimation and Deposition?
500
Which of the following is NOT a physical change?
-Grating cheese
-Melting cheese
-Fermenting of cheese
-Mixing two cheeses in a bowl