Practice 6 - Constructing Explanations and Designing Solutions

Paul Anderson discusses Science and Engineering Practice 6, focusing on constructing explanations and designing solutions. He explains the importance of theories in science and engineering, how they are created and tested, and provides examples like the Big Bang Theory and natural selection. The video differentiates between hypotheses and theories, outlines the engineering design cycle, and emphasizes the educational progression of constructing explanations from elementary to high school.

What is the primary purpose of a scientific theory?

• To replace hypotheses

• To make random guesses about phenomena

• To provide a final answer to scientific questions

• To construct explanations and design solutions

Which of the following is an example of a scientific revolution?

• The improvement of the Apple computer design

• The establishment of the theory of natural selection

• The replacement of the miasma theory with the germ theory

• The development of the Big Bang Theory

What distinguishes a hypothesis from a scientific theory?

• A hypothesis is the same as a theory

• A hypothesis is a wild guess

• A hypothesis is a plausible explanation for observations

• A hypothesis is a proven fact

In the cycle of design in engineering, what is the first step?

• Evaluating the solution

• Improving the design

• Planning and identifying a problem

• Creating a solution

Why is it important for students to construct explanations from an early age?

• To avoid making mistakes

• To memorize scientific facts

• To prepare for standardized tests

• To develop critical thinking and problem-solving skills

What educational activity can help elementary students learn to construct explanations?

• Building solar cars

• Analyzing owl pellets

• Conducting water quality tests

• Solving complex equations

How can high school students apply their skills in designing solutions?

• By watching educational videos

• By reading about scientific revolutions

• By memorizing scientific theories

• By participating in bridge-building competitions