Understanding Matter in Physical Science

Which of the following is NOT a fundamental characteristic of matter?

• Weight

• Color

• Volume

• Mass

What distinguishes chemical properties from physical properties?

• Physical properties are not observable.

• Physical properties involve a change in the substance.

• Chemical properties can be observed without changing the substance.

• Chemical properties can only be observed when the substance changes.

How many categories of matter are introduced in the current unit?

• Four

• Six

• Eight

• Ten

What is the fundamental unit of matter?

• Molecule

• Compound

• Atom

• Crystal

Which of the following is a molecule made up of different types of atoms?

• Gold atom

• Carbon dioxide molecule

• Chlorine molecule

• Sulfur molecule

What is a crystal in terms of building blocks of matter?

• A repeating pattern of bonded atoms or molecules

• A liquid form of matter

• A single atom

• A group of unbonded atoms

Which substance is used as an example of a crystal in the video?

• Water

• Sulfur

• Potassium chloride

• Gold

What happens to water molecules when water freezes?

• They separate into individual atoms.

• They form a repeating pattern known as a crystal lattice.

• They evaporate.

• They become gaseous.

Why do snowflakes have six sides?

• Because of the presence of impurities.

• Due to the temperature of the atmosphere.

• Because of the shape of hydrogen atoms.

• Because water molecules form six-sided crystals.

What are the three building blocks of matter discussed in the video?

• Atoms, compounds, and crystals

• Molecules, compounds, and crystals

• Atoms, molecules, and crystals

• Atoms, molecules, and compounds