Free-response practice
Read the scenario and its figures, then answer every part in the exam's format. Mia marks every part, quotes the words that earned each point, and for a part that missed says what it still needs, without writing the answer for you.
Free to try
- Algae, phosphate and fish kills in Lake MQuestion 1: Design an investigation
- Deer on Island R: growth, overshoot and carrying capacityQuestion 2: Analyze and interpret quantitative data
- Lighting a school with less energyQuestion 3: Analyze an environmental problem doing calculations
In the course
- Too warm to hatch: a cold-water fish and stream temperatureQuestion 1: Design an investigation
- Keeping topsoil on the fieldQuestion 1: Design an investigation
- A summer day of smog in City CQuestion 2: Analyze and interpret quantitative data
- A changing ocean: carbon dioxide, pH and shellsQuestion 2: Analyze and interpret quantitative data
- Country K: how fast is the population growing?Question 3: Analyze an environmental problem doing calculations
- Every drop counts: from flood to drip irrigationQuestion 3: Analyze an environmental problem doing calculations