1. The graph show force of friction data for weight, grit, and surface area.
   
   1. _______________ Based on the data above, which variable has the most effect on the force of friction?
      Why?
      
      
   2. _______________ Based on the data above, which variable has the least effect on the force of friction?
      Why?
2. Provide definitions for the following:
   1. Newton's first law of motion.
   2. Newton's second law of motion.
   3. Newton's third law of motion.
3. List the three ways heat energy moves:
4. Temperatures in Celsius:
   • _________℃ What is the temperature of a mix of melting ice and water?
   • _________℃ What is the temperature at which solidified coconut oil melts?
   • _________℃ What is the typical indoor temperature in Pohnpei?
   • _________℃ What is the temperature of the healthy living human body?
   • _________℃ What is the temperature of boiling water?
5. The graph shows cooling curve data from laboratory six.
   
   1. T₀ = _______________ Based on the analysis, what was the mathematically predicted starting temperature T₀?
      
   2. T₁ = _______________ Based on the analysis, what is was the mathematically predicted final temperature T₁?
      
   3. k = _______________ Based on the analysis, what is the rate of decay k?