what are the three types of matter
What is NOT a sign of a chemical change?
Odor, Heat, Color Change, Shape, or Size
Shape
Is sour taste a chemical or physical property?
Chemical
Changes of matter that result in a new substance with different chemical make up.
Chemical change
What is another word we use for mass?
Weight
In what form does water water exist in at room temperature?
Liquid
What is a example of a chemical change?
answers will vary
Is ice melting a physical or chemical property?
Physical
Changes that can not go back to the original form.
Irreversible Change
If you leave your metal pan outside in the rain will it undergo a chemical reaction?
Yes
What 2 types of matter are being made when wood burns?
Solid and Gas
Is a burning log a chemical change or physical?
Chemical
What was the property that the fake snow had to allow it to get bigger?
Absorption
changes in matter that do not change the chemical make up of matter
physical change
True or False: Mass is always conserved in a chemical reaction.
True
What are three terms for water in 3 different forms of matter
Water, Vapor, Ice
If the water in your cup disappears on a hot day was this a chemical reaction?
No
Changes in states of matter are what kind of change?
Physical
When chemical changes take place, no new matter is produced or destroyed; molecules are just moved around to create new substances
Law of Conservation of Matter
In the canister rocket experiment; was there more matter after the Alka-Seltzer was added to water? Why?
No, it just turned into a gas and gas takes up more space than a liquid or solid.
What is matter?
Something that has mass and takes up space.
In the fake snow activity, was that a chemical or physical change? Why?
Physical; water was just absorbed by the powder
What is the plasma state?
Indicator
What is an example of Conservation of matter.
Answers will vary