Science 8: Quarter 3

How can sublimation be utilized in forensic investigations?

In which specialized application is deposition predominantly employed?

What is the process called when a liquid changes into a solid?

• Evaporation

• Freezing

• Sublimation

• Condensation

Which scientist developed the atomic theory?

• Lavoisier

• Thomson

• Dalton

• Bohr

Which state of matter has particles that are far apart and move rapidly in all directions?

• Solid

• Liquid

• Gas

• Plasma

Which refers to anything that has mass and occupies space?

• Particle

• Atom

• Molecule

• Matter

What do you call the building of a matter?

• Atom

• Neutron

• Proton

• Electron

What is the term for the process when a gas changes into a liquid?

• Sublimation

• Melting

• Condensation

• Deposition

Why do paper towels absorb water?

• Paper towels absorb water because they have tiny holes and spaces that catch water molecules.

• Paper towels absorb water because they are made of a material that naturally attracts water.

• Paper towels absorb water because they release chemicals that make water molecules stick to them.

• Paper towels absorb water because they have a smooth surface that repels water molecules.

What distinguishes plasma from the other three states of matter (solid, liquid, and gas)?

• Plasma consists of positively charged particles only.

• Plasma is the only state of matter that does not have a definite shape or volume.

• Plasma is composed of ions and free electrons, making it electrically conductive.

• Plasma is denser than solids but less dense than liquids.