3 practice sets · Page 1 of 1
What happens to the particles of matter when it is heated?
They move faster
They remain in the same position
They move slower
They change into a different substance
Correct Answer: A — They move faster
Explanation:
Heating increases the kinetic energy of particles, causing them to move faster.
What is the basic unit of matter?
Proton
Molecule
Atom
Neutron
Correct Answer: C — Atom
Explanation:
The atom is the basic unit of matter.
What is matter?
Anything that has mass and occupies space
Anything that can be touched
Only solids that occupy space
Only gases with mass
Correct Answer: A — Anything that has mass and occupies space
Explanation:
Matter is anything that has mass and occupies space.
