CA Science Content Standards Grade 1 4b. Record observations and data with pictures, numbers, or written statements. Grade 2 2c. Students know many characteristics of an organism are inherited from the parents. Some characteristics are caused or influenced by the environment.
Students know there is variation among individuals of one kind within a population.
Make predictions based on observed patterns and not random guessing. Grade 3 5b. Differentiate evidence from opinion and know that scientists do not rely on claims or conclusions unless they are backed by observations that can be confirmed. Collect data in an investigation and analyze those data to develop a logical conclusion. Grade 4 6c.