Vocabulary 1
Matter with a definite shape and volume
Gas
Matter that doesn't have a definite shape or volume
What happens to water when you boil it?
It evaporates and becomes a gas
When a physical or chemical change occurs, what happens to the mass?
Is nails rusting a chemical or physical change?
Chemical
Liquid
a substance that has a definite volume but doesn't have a definite shape
Differentiate
to identify the difference between two or more objects
If you pour a liquid from one container to another what happens to its volume AND shape?
Shape will change and volume will stay the same
Give me an example of something that shows evaporation AND tell me what evaporation is
boiling water or a puddle evaporating. Evaporation is when a liquid becomes a gas
Choose the TWO correct answers:
The mass of the nails (increased/decreased/remained the same) because (rust is heavy/matter was conserved/rust dissolved the nail).
Remained the same, matter was conserved
Establish
to show an idea
Support
To back up
If you have a container with a lid on it, and you take the lid off what would happen to a liquid AND to a gas
The liquid would stay the same and the gas would flow out of the container
Which TWO properties would provide evidence of a substance's states of matter?
a) color
b) volume
c) weight
d) shape
B and D
If I mix sand and water, is that a mixture or a solution?
Mixture
Physical change
a change in some properties of matter that does not change what the substance is made of
Chemical Change
a process in which a new kind of matter forms
What is a mixture?
A substance where different materials are put together but each keeps its own properties
Kayla's mom is cooking an egg in a pan. As the egg cooks, part of it changes color from clear to white. Kayla can smell the egg cooking. The egg changes from a liquid to a solid. Is a physical or chemical change occurring? How can you tell?
Chemical : new smell, color change, and formation of a solid
When I mix salt and water together, do I produce a mixture or a solution?
Solution
Chemical Reaction
the process in which one or more substances change into one or more different substances
Conservation of Matter
The scientific law that in any physical or chemical change, the total mass of the matter does not change
What is a solution?
A mixture in which the substances are evenly spread out and do not settle to the bottom of the container
Give me the definition of a solute AND a solvent
A solvent is the material that does the solving and the solute is the material that gets dissolved
If I mix salt and water, which ingredient is my solvent and which ingredient is my solute?
Water is my solvent and salt is my solute