I. Basics

1. Make observations and define the question/problem
2. Come up with an initial hypothesis
3. Design a test and make predictions based on hypothesis
4. Perform the test
5. Revise hypothesis if the results did not match the predictions
6. Repeat steps 3 – 6 until you run out of ways to test your hypothesis

1. mm
2. cm (0.4 inch)
   
• 2.54 cm = 1 in     
3. m (3.28 feet)
• 0.305 m = 1 ft
  
4. km (0.6 miles)
• 1.61 km = 1 mile
  
5. kg (2.2 pounds)
• 0.454 kg = 1 pound
  

1. mass (kg)
2. weight (N) - force of gravity on mass  (9.8N = 1kg)
   
3. volume (ml or cm³)
4. density (g/cm³)