Physical Science Chapter 2 Test

The random motion and collision of particles is called...

• Aristotle's continuum
• Brownian motion
• Chemists' collisions
• Definitie proportions

Which of the following statements describes the most workable model of matter?

• Physical matter is a continuum of indivisible material.
• Physical matter can be divided into smaller portions infinitely.
• Physical matter exists in the form of particles which are in constant motion.
• All of the above describe the current model of matter.

Tags

NGSS.MS-PS1-4

ATOMS consist of all the following EXCEPT...

• Electrons
• Molecules
• Neutrons
• Protons

Tags

NGSS.MS-PS1-1

Which of the following correctly identifies the difference between weight and mass?

• Mass can change on the basis of location, but weight cannot.
• Mass is the amount of matter in an object, while weight is a measure of the force of gravity on an object.
• Weight is a physical property, while mass is a chemical property.
• All of the above are correct.

PURE water, H₂O, is classified as which kind of substance?

• a compound
• an element
• a homogenous mixture
• a heterogenous mixture

Tags

NGSS.MS-PS1-1

Which of the following is NOT a mixture?

• a cup of coffee
• a bar of pure gold
• seawater
• steel

Which of the following states of matter does NOT experience particle motion?

• Solid
• Liquid
• Gas
• This is a trick question. All states of matter experience particle motion.

Tags

NGSS.MS-PS1-4

Which state of matter has low-to-no compressibility, has a fixed volume, changes shape to fit the container it is in, and is a fluid?

• Solid
• Liquid
• Gas
• Plasma

Which state of matter has a fixed shape?

• Solid
• Liquid
• Gas
• Plasma

What property measures a fluid's resistance to flow due to friction between the particles?

• Density
• Fluidity
• Particle spacing
• Viscosity