What is the property that describes the amount of matter in an object?
Mass
What type of change is ice melting?
Physical
Name one sign that a chemical change has occurred.
Change in color, change in properties, creation of something new (like a gas), change in smell
What are the three main states of matter?
Solid, liquid, gas
How many ears do I have?
2
Whenever I have a reaction, if I used 200g of reactants, what will be product weigh?
200g
What type of change is paper burning?
Chemical
What is produced when baking soda and vinegar react?
Carbon dioxide
In which state do particles move freely and take the shape of their container?
Liquid
How many sisters do I have?
0
What property describes how one metal is attracted to another metal?
Magnetism
Can physical changes be reversed? Give an example.
Freezing water to make ice, then unfreezing it to get water.
How can you tell if a gas is created from a chemical change?
Bubbles are released.
What state of matter is characterized by a definite shape and volume?
Solid
How many brothers do I have?
1
What property describes how well a substance can conduct electricity?
Electrical confuctivity
What happens to the properties of materials as they undergo a chemical change?
The properties of matter change as the chemical composition changes.
How can I use temperature to check for a chemical change?
It will increase or decrease
What happens to particles in a gas as they cool?
They get closer together and form a liquid.
Which sport do I play the most?
Soccer
What is the term for a substance that can no longer be broken down? This the most basic unit of matter.
Element
What is an example of a physical change that involves a change in state?
Boiling water
If a chemical reaction occurs, which of these are NOT evidence?
change in color, formation of a gas, formation of a solid, change in temperature, release of light, making an elephant appear
elephant. that was an easy one.
What state of matter has no definite shape, and no definite volume?
Gas
Who is the best 5th grade teacher?
Me, obvs.