What is the part of the scientific method where you write step by step directions for what to do in the lab?
What is the Procedure
100
What scientist did the Gold Foil Experiment?
Who is Ernest Rutherford.
100
What are the three subatomic particles of the atom?
What is proton, neutron, and electron.
100
True or False: Changes in state (Solid, liquid, gas) such as melting, boiling, and evaporating are examples of a chemical change?
What is False.
100
What is the name of group 2?
What is Alkaline Earth Metals.
200
What are the 3 things you need for a proper hypothesis?
What is "If...then...because"
200
What were the first elements, according to the Ancient Greeks?
What is Earth, Air, Fire, and Water.
200
What two subatomic particles are located in the nucleus of the atom?
What is the proton and neutron.
200
Which of the following is a physical change:
1. Mixing Alka-Seltzer and Water
2. Chopping Wood
3. Burning Wood
What is 2. Chopping Wood.
200
Are the following elements in the same group or are they in the same period?
1. P
2. S
3. Si
What is period.
300
I do an experiment to test the lifespan of a fish in different temperatures of water. I place Fish A in 35 degree water, Fish B in 70 degree water (normal for this fish) and Fish C in 85 degree water. What is the independent variable in this experiment?
What is the temperature of the water
300
What is the most recent model of the atom?
What is The Electron Cloud Model.
300
The Atomic Number is equal to which subatomic particle?
What is the proton.
300
Is burning one of the 5 types of evidence of a chemical change?
What is no.
300
Is Chlorine (Cl) a metal, nonmetal, or metalloid?
What is non-metal.
400
I do an experiment to test the lifespan of a fish in different temperatures of water. I place Fish A in 35 degree water, Fish B in 70 degree water (normal for this fish) and Fish C in 85 degree water. What is the dependent variable in this experiment?
What is lifespan of the fish.
400
Which model of the atom has negatively charged electrons floating in a positively charged atom (no protons)?
What is the Plum Pudding Model.
400
What is the Mass Number of an atom equal to?
What is protons plus neutrons.
400
What are the 5 types of evidence of a chemical change?
What is light, precipitate (solid),bubbles (gas), heat, color change.
400
What are valence electrons?
What is electrons in the outermost shell of the atom.
500
I do an experiment to test the lifespan of a fish in different temperatures of water. I place Fish A in 35 degree water, Fish B in 70 degree water (normal for this fish) and Fish C in 85 degree water. What is the control variable in this experiment?
What is Fish in 70 degree water.
500
What experiment did J.J. Thomson use to discover the electron?
What is the Cathode Ray Tube.
500
A Bohr Model of Oxygen with a mass number of 17 would have how many protons, neutrons and electrons?
What is 8 protons, 9 neutrons, and 8 electrons.
500
True or False: Physical and Chemical properties of an element (such as Na) are the same as the physical and chemical properties of a compound containing that element (such as NaCl)?
What is False.
500
Which of the following elements is the most reactive?
1. Br
2. Kr
3. Ne
4. He
What is Br (It is the only element that was not a Noble Gas)