Observation or Inference	Quantitative or Qualitative	Metric units	Independent and Dependent Variables
100 observation The man fell while crossing the street.	100 quantitative There were 8 chicken nuggets in the bag.	100 Meter The base unit of length.	100 Your blood sugar levels What is the dependent variable in this scenario? What is the effect of diet and regular soda on blood sugar levels?
200 inference That is the happiest dog in the world.	200 qualitative The walls were painted blue.	200 Liter The base unit of volume.	200 The amount of phone use before bed What is the independent variable in this scenario? How does phone use before bedtime affect sleep?
300 observation The bunny is black and white with brown eyes.	300 quantitative Six kids were on the school bus.	300 3000g 3kg = ____g	300 The amount of salt added to the plants’ water What is the independent variable in this scenario? How well do different plant species tolerate salt water?
400 inference The dog was so happy to be riding in the car.	400 qualitative The car had a scrape down the side.	400 56000mm 56m=_____mm	400 dependent variable the variable that is tested and measured
500 observation There were 27 cars in the parking lot.	500 quantitative The car had two dents in the bumper.	500 .088L 88mL=____L	500 controlled variable any factor that is controlled or held constant in an experiment.

Unit 1 Test Review

How many teams are playing ?
Time given to answer each question ?