Matter
Atoms and Compounds
Elements
Mixtures and Solutions
Review
100
Which atoms are forming a solid?
A- the atoms that are tightly packed together
100
When there are 2 or more atoms, I am called a _________.
compound
100
The smallest part of an element is called __________.
atom
100
A solution that I could drink at lunch if I bought my lunch is _____________.
Chocolate Milk
100
Our watershed is the __________________.
Chesapeake Bay
200
Which of these shows a gas?
Jar 3
200
Which substance is made up of only one kind of atom?
Table salt
Water
An element
A compound
An element
200
Which of the following are elements? (4 correct answers)
Salt
Water
Carbon
Helium
Oxygen
Potassium
Helium
oxygen
potassium
carbon
200
2 or more substances are put together and CAN be easily separated it is called _________.
mixture
200
During pollination, pollen is transferred from a stamen to a ----
stigma
300
What are the 3 phases of matter found on Earth?
Solid, Liquid, Gas
300
Atoms are composed of ______________________. (3 answers)
Protons, neutrons, and electrons
300
TRUE OR FALSE?
Sodium is an element?
TRUE
300
2 or more substances are put together and CANNOT be easily separated it is called _________.
solution
300
Coal is important for Virginia because it--
used for energy
400
What is matter?
Anything that has mass and volume.
400
Which 2 are compounds?
1 and 3
400
What elements make up water?
Hydrogen and oxygen
400
A student combined sand and iron filings in a cup. He separated them using a magnet. Before he separated them, they were an example of --
MIXTURE
400
2- sandpaper
500
How does matter change from one state to another?
Example- solid to a liquid OR liquid to a solid
adding or taking away heat
500
What goes in the ? space?
a. gold
b. carbon
c. nitrogen
d. salt
salt
500
Which of the following are elements?
Oxygen, Carbon, Hydrogen
500
Which of the following are solutions? (4)
-coffee
-juice concentrate with water
-ice floating in a glass of water
-fruit smoothie
-trail mix
-sandwich
-lemonade
coffee
juice concentrate with water
fruit smoothie
lemonade
500
What part of the diagram controls ALL cell function? It is the brain of the cell!
1- the nucleus