510 likes | 582 Views
Scientific Method. Matter & Change. Scientific Measurement. Atoms!!. Periodic Table. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. 100 Pts.
E N D
Scientific Method Matter & Change Scientific Measurement Atoms!! Periodic Table 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500
100 Pts. What is the first step in the scientific method?
Making observations 100 Points
200 Pts. What is the last step in the scientific method?
Make a conclusion 200 Points
300 Pts. What is the difference between a theory and hypothesis?
Hypothesis = educated guessTheory = hypothesis that has been proven many true many times 300 Points
400 Pts. What area of chemistry studies all chemicals that have carbon?
Organic chemistry 400 Points
500 Pts. The variable that is observed during an experiment is called ___________________.
Dependent 500 Points
100 Pts. Is the following property a chemical or physical property? Freezing point
Physical property 100 Points
200 Pts. What type of change is the following:Rotting cheese
Chemical 200 Points
300 Pts. Is the following a mixture or substance?Pure Gold
Substance 300 Points
400 Pts. Is the following a homogenous or heterogeneous mixture?Beef Stew
Daily Double 800pts! Heterogeneous Mixture
500 Pts. Splitting wood into pieces is what type of change?
Physical 500 Points
100 Pts. Water boils at 100º C. What is the boiling point of water in Kelvin?
373 K 100 Points
200 Pts. Express the following in scientific notation: 0.00000546
5.46 X 10-6 200 Points
300 Pts. What is the SI unit for volume?
cubic meterm3 300 Points
400 Pts. What is the formula for density?
Mass Volume Density = 400 Points
500 Pts. How many sig figs are in 0.00305?
3 500 Points
100 Pts. What two things are added together to get the mass number?
Protons + Neutrons 100 Points
200 Pts. How many neutrons does zinc (Zn) have?
35 neutrons 200 Points
300 Pts. Finish the nuclear equation:_____ +
146 C + 300 Points
400 Pts. A patient is given 20 mg of iodine-131. The half-life of iodine-131 is 8 days. How much of the isotope will remain in the patient’s body after 40 days?
0.625 mg 400 Points
500 Pts. Who was the important dude who discovered protons?
Goldstein 500 Points
100 Pts. A cation has what type of charge?
Positive 100 Points
200 Pts. How many valence electrons does chlorine need to gain to be like a Nobel Gas?
1 200 Points
300 Pts. Li+1is called ____________.
300 Pts. Lithium cation
400 Pts. What is the name for the following formula:CaCl2
400 Pts. Calcium chloride
Daily Double 1000 Pts. What is the name for the following compound:Iron(III) phosphate