Show:
Matter
Atomic and Subatomic
Periodic Table
Scientific Method
Random
100
What are the three types of matter?
Element, Compound, Mixture
100
What are the three parts of an atom?
Proton, Electron, Neutron
100
What are groups? what are periods?
groups are columns and periods are rows.
100
What 2 parts do all hypothesis need?
An prediction and a reason
100
What is electricity?
Flow of electrons.
200
Which type of matter is formed by 2 or more chemically combined elements?
Compounds.
200
List the charge for each part of the Atom.
protons positive, electrons negative, neutrons neutral.
200
What makes elements in the same group similar?
They have the same number of valence electrons.
200
In what part of the scientific method do you show your findings?
Data: Tables, Graphs.
200
What are the 4 major elements found in the human body?
hydrogen, Nitrogen, Oxygen, Carbon.
300
Which of the following is an example of a mixture? Water, Salt or Air?
Air. It is made of Oxygen, Nitrogen and other elements NOT chemically combined.
300
Draw a Bhor Diagarm for Oxygen
8 total electrons, 2 on shell one, 6 on shell two.
300
First TEAM What is the Atomic Number Sodium?
11
300
IPAD CHALLENGE Who discovered Radium?
marie Curie.
300
Where are elements formed?
inside of stars or during super novas.
400
If a substance can be separated with out the use of chemical energy, (for example sand separated from water,) what type of Matter is it?
Mixture
400
What is the center of an Atom called?
Nucleus
400
Which group is most reactive? which group is stable?
Group 1 is most reactive, Group 18 is stable.
400
Why do scientist go back and make new observations, even when their experiments were correct?
To improve on their findings.
400
What is the chemical formula for salt water?
NaCl + H2O
500
IPAD CHALLENGE Which of the following is a compound made of iron and carbon? ZINC, GOLD, BRASS, STEAL
STEAL
500
What is the name of the particles that orbit the highest energy shell of an atom?
Valence Electrons.
500
How many more electrons does Sulfur need to be stable?
Sulfur has 6 valence electrons, it needs 2 more to reach 8 and be stable.
500
Give an example of the scientific method leading to better findings and/or more advanced inventions.
answers will vary. Ex: improvements to TV quality. Ex: Safer Cars.
500
What is the name of the robot in Brain Pop?
Mobby