A
Matter is anything that has ________ and takes up space.
mass
True or False: There is only 3 states of matter.
False
If you could see the particles that make up a _____, you would see them moving in all directions
gas
A change in matter that produces one or more new substances is a ______ change
chemical
If an object is denser than the liquid it is being placed into it will ______
sink
What do you need to multiply to find the volume of a substance?
Length x Width x Height
A __________ has a definite shape and a definite volume.
solid
A _________ change alters the form or appearance of matter but does not turn any substance in the matter into a different substance
physical
What is the molecule of water?
H2O
Why is a block of wood denser than a sponge?
The particles are packed more closely together
Which state of matter has the most particle movement?
Gas
Particles in a solid can only ______ in place
vibrate
A piece of glass shattering into many pieces is an example of a ____________ change
physical
In order to calculate density, mass must be divided by ________.
volume
What is the first step in the engineering process
Define the problem
Atoms and molecules are examples of ____________
particles
A __________ has a definite volume but no shape of its own.
liquid
A substance that undergoes a ________ change is still the same substance after the change.
physical
Density x Volume gives the the amount of _______ that an object has.
mass
A prototype can be compared to a _______
model
What are the 3 main states of matter?
Gas, Liquid, and Solid
A ______ has no definite shape. However, it does have a definite volume.
liquid
What factor causes water to go through the 3 states of matter?
Temperature
How many quarts are in a gallon?
4
In the engineering process, what is the scientific name of the object that is being tested?
prototype