Question

name: aylin
amoeba sisters video recap: nature of science

1. observations and inferences are important in science. how would you explain the difference between the two words?

observations are things that i see and inferences is a conclusion that is determined by evidence and reasoning.

1. constants (\controlled variables\) and a control are easily confused by students! how would you explain the difference between the two words?

constants are objects or values that stay the same. and a control is

1. why is a control group generally very important in an experiment?

Explanation:

1. Observations are direct perceptions of phenomena. Inferences are logical conclusions drawn from observations and prior knowledge.
2. Constants are factors kept unchanged throughout an experiment to ensure reliability. A control group is a baseline group in an experiment that doesn't receive the experimental treatment, used for comparison to see the effect of the independent variable.
3. A control group is important because it provides a baseline for comparison. By comparing the experimental group (receiving the treatment) to the control group (not receiving the treatment), researchers can determine if the independent variable has a real - effect on the dependent variable.

Answer:

1. Observations are direct perceptions; inferences are logical conclusions from them.
2. Constants are unchanged factors; control group is for comparison without treatment.
3. It provides a baseline for comparison to determine the effect of the independent variable.