Unit 1 Review

How can you separate mixtures into their pure substance?

• Evaporation

• Distillation

• Straining

• All of the above

Is this a compound or an element?

• Element

• Compound

True or False: A heterogenous mixture is a mixture where the components are not uniformly distributed throughout its volume and can be easily seen separated.

• True

• False

Match the following:

• Pure Substance

• 
• Homogenous

• 
• Heterogenous

• 

What are the 4 states of matter?

• 1. 1. Solid

  2. 2. Liquid

  3. 3. Hydrogen

  4. 4. Plasmas

• 1. 1. Liquid

  2. 2. Gas

  3. 3. Water

  4. 4. Blood

• 1. 1. Solid

  2. 2. Liquid

  3. 3. Gas

  4. 4. Plasmas

• 1. Solid

  2. 2. Liquid

  3. 3. Gas

  4. 4. Platelets

What is a chemical change?

• A change that can be reversed and observed in its physical state

• Irreversible changes in chemical properties or composition, resulting in the formation of a new substance

• A reversible change in the physical properties of a substance as size or shape

What type of physical change is displayed in this picture?

• Oxidation

• Hydration

• Sublimation

• Condensation

True or False: This is an example of kinetic energy.

• True

• False

What is volume?

• The energy an object has because of its motion

• A measure of the amount of space that matter occupies

• The height of an object being observed

• The weight of an object being observed

What is this an example of?

• Physical change

• Precipitate

• Kinetic energy

• Condensation