Question

1.3.2 test (cst): science and engineering
which two explanations are based on personal beliefs?

a. data gathered during experiments show that there is an inverse relationship between the force of gravity and distance.

b. certain mineral crystals have properties that help protect the body from illness.

c. observations using microscopes reveal that all known organisms are composed of tiny structures called cells.

d. a constellations position in the night sky can be used to predict events in a persons life.

e. medical data gathered over many years show that lack of adequate sleep causes health problems.

Explanation:

• Option A is based on experimental data (scientific method), not personal belief.
• Option B: The idea that mineral crystals protect from illness is a personal belief as there's no scientific evidence supporting it.
• Option C is based on microscopic observations (scientific fact), not personal belief.
• Option D: Predicting life events from constellations is a personal belief (astrology, not science).
• Option E is based on medical data (scientific research), not personal belief.

Answer:

B. Certain mineral crystals have properties that help protect the body from illness.
D. A constellation's position in the night sky can be used to predict events in a person's life.