Unit 1: Scientific Method
List 3 examples of unsafe lab behavior and what the appropriate procedure would be to fix this behavior.
1. Sniffing Chemicals, you could fix this by wafting instead 2. Touching lab materials without permission, you could fix this by asking your instructor for permission 3. Being messy, you could fix this by cleaning up
I notice that my students do better on tests when I give them cookies beforehand. Write a hypothesis for an experiment that could investigate this observation. List the independent variable, dependent variable, constants, control group and experimental group.
If the students recieve cookies before their test, then they will do better. IV-cookies, DV-kids with cookies, Constants-brand of cookies, , Control Group-kids without cookies, Experimental Group-kids with cookies
a. 20 degrees Celsius to Fahrenheit b. 300 Kelvin to Celsius c. 98 degrees Fahrenheit to Kelvin
a. (20 degrees celsius *9/5) + 32=68 degrees fahrenheit b. 300 kelvin- 273.15= 26.85 degrees celsius c. (98 degrees fahrenheit -32) *5/9= 36.667 degrees celsius
a. 6.9*10 to the -3rd power b. 7.009*10 to the 6th power c. 1.01*10 to the 2nd power d. 5.0553*10 to the -4th power
a. .0069 b. 7,009,000 c. 101 d. .00050553
a. 150 cm to mm b. 71 g to kg c. 1200 ks to s
a. 150* 10= 1500 mm b. 71/1000=.071 c. 1200*1000= 1,200,000 seconds
a. 191 days to seconds b. 32 lbs to grams c. 21 mm to yds
a. 16,502,400 b. 14,515 grams c. .0229659 yards
a. 787,000 b. 4,999,000 c. 0.00413 d. 0.000000112
a. 7.87*10 to the 5th power b. 4.999*10 to the 6th power c. 4.13*10 to the -3rd power d. 1.12*10 to the -7th power
What type of graph would best illustrate the number of students who are freshman, sophomores, juniors, and seniors at KHS?
bar graph
What type of graph would best illustrate the effect of the amount of caffeine on heart rate?
line graph
What type of graph would best illustrate the percentage of students who like different subjects?
pie graph