Matter
What is matter?
Matter is the particles and what all things are made of.
What is mass?
The amount of matter in an object.
What is volume?
The amount of space an object takes up.
What is Density?
THe amount of compactness in matter.
Describe a physical change.
A physical change is when you alter the form or shape of matter without changing the material.
Which has more mass, a golf ball or a chair?
A chair.
Do object with with volume over 100,000 always sink?
No
What is buoyancy?
Buoyancy is how well an object floats or the ability to float.
Describe a chemical change.
When a substance combines with another to form a new matter.
What units is mass measured in?
grams and/or kilograms
To measure volume, how many dimension does an object need to have?
3
What is the difference between buoyancy and density?
Buoyancy is an object's ability to float, but density is the compactness of matter in a object.
If wood is burning till it's tiny particles, what change is it?
A chemical change
What are 2 instruments used to find mass?
Pan scale, electronic balance, triple beam balance, etc.
Which has more volume, a balloon or a golf ball?
A balloon
If an object sinks, is the density or the buoyancy higher?
Density
What is it called when a solid changes directly into a liquid?
Sublimination
Is dumping water on a fire a physical or a chemical change?
A chemical change
Do you need mass to measure weight?
YES BOI!!!
What is the formula for volume?
Length*width*height
Which is more dense, a golf ball or a ship?
A golf ball
Which particle has the lowest mass?
An electron