Question

guided practice
physical science
you just explored the big ideas of physical science. now test your understanding.
which is a \big idea\ of physical science regarding the nature of matter?
a. atoms consist of smaller particles.
b. forces cause changes in motion.
c. the universe is very old.
d. energy can never be destroyed.

Explanation:

• Option A: Atoms consisting of smaller particles (protons, neutrons, electrons) is a fundamental concept in the study of the nature of matter in physical science.
• Option B: Forces causing changes in motion is related to the study of motion (dynamics) rather than the nature of matter.
• Option C: The age of the universe is more relevant to cosmology (study of the universe as a whole) rather than the nature of matter.
• Option D: Energy can never be destroyed (law of conservation of energy) is about energy, not the nature of matter.

Answer:

A. Atoms consist of smaller particles.