Practice 3 - Planning & Carrying Out Investigations

What is the primary purpose of conducting investigations in science?

• To create complex theories without data

• To answer specific questions using gathered data

• To demonstrate known theories without questioning

• To focus solely on engineering designs

Which type of science primarily uses observations?

• Physics

• Chemistry

• Astronomy

• Genetics

What is an independent variable in an experiment?

• The variable that is measured

• The variable that remains constant

• The variable that is manipulated by the experimenter

• The outcome of the experiment

Why is it important to have a large sample size in experiments?

• To increase the reliability of the data

• To reduce the cost of the experiment

• To make the experiment run faster

• To use fewer resources

What educational strategy involves providing support to students as they learn to conduct investigations?

• Competition

• Acceleration

• Scaffolding

• Isolation