States of Matter
What is matter?
Matter is anything that has weight and takes up space.
What is a physical change?
A physical change is a change that is reversible and does not create a new substance.
Is oxygen a solid, liquid, or gas?
Gas
Oakley Neil Caeser-Su is making some cereal. Would this be a mixture or solution
Mixture because no chemical change had occurred, and you can see all the ingredients
What is 67+67-10?
124!
Which state of matter has little to no movement in particles?
Solids
What is a sign that a chemical change has occurred?
Unexpected change in color, temperature, precipitate is formed, bubbles/fizz, production of odor or light.
What is the name of the compound H₂O?
Water
Whats the difference between homogenous and heterogenous mixtures?
Homogenous is spread evenly throughout, whilst heterogenous is not.
What is Mrs. Phillips' guinea pig's names?
Milo & Max!
What are the three states of matter?
Solid, liquid, and gas.
If a new substance is created, is it a sign of a physical or chemical change?
Chemical change.
A combination of two or more atoms.
Molecule
What is the difference between a solvent and solute?
A solvent does the dissolving and a solute is being dissolved.
What year did WW2 end?
1945
True or false:
A solid can go straight from a solid to a gas.
False:
The solid has to change into a liquid before it can be a gas.
Jimothy mixes lemon juice and sugar to make lemonade. He notices that the sugar disappears when it is mixed with the lemon juice. Is this a chemical or physical change?
Physical change
What is the name of this formula compound I₂?
Iodine
Why is salt water a mixture?
Because it can be evaporated to separate them.
What is Carlos Sainz Vásquez De Castro Cenamos Rincón Rebollo Jr. know for?
Being an F1 driver!
What determines if a substance is a gas, liquid, solid?
The movement and arrangement of the substance's particles.
What is a way to reverse physical change such as salt water?
By using desalination to evaporate the water. This leaves the salt separated from the water.
How many elements are on the periodic table?
118
What technique would you use to separate sugar water?
You would evaporate the water.
What is Central Cee's real name?
Oakley Neil Caeser-Su!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!