states of matter
oil, water, juice, milk are what state of matter?
liquid
mixing water and salt is a physical or chemical change
physical change
A subatomic particle that has no charge and is found in the nucleus of an atom
Neutron
length can be measured by a -----
ruler
made out of 2 or more different atoms
a compound
A brick a rock and a rocking chair are what state of matter?
solid
Is backing a cookie a physical change?
no
a basic unit of matter and the smallest part of an element
atom
object used to measure mass.
triple beam balance
what in an atom has a negative charge
electron
boiling water makes what state of matter
gas
mixing cement and water makes what kind of change
chemical change
The decimal measuring system based on the meter, liter, and gram as units of length, capacity, and mass.
Metric System
what tool can you use to measure displacement
graduated cylinder
a gold ear ring has what inside of it
atom
condensing goes from what two states of matter
gas to liquid
burning gas in a stove is what kind of change
a chemical change
describes how tightly packed the material in an object is packed
density
a ruler can be used to find the --------- of something
volume
Periodic Table
helium neon nitrogen and oxygen are what state of matter
gas
True or False
popping popcorn in the microwave is a physical change
false
The change in position of an object
displacement
what tool would you use to measure the volume of water
graduated cylinder
water is a compound of what two elements
Hydrogen and Oxygen