MND Task 1 Assessment

A change that occurs, but does NOT change the actual molecules that make up the substance. (1 pt)

• Chemical Change

• Physical Change

• Chemical Reaction

• Physical Reaction

A change that occurs and results in a completely new substance being formed.(1 pt)

• Chemical Change

• Physical Change

• Chemical Reaction

• Physical Reaction

Properties of the PRODUCTS (substance(s) after the change) are completely different than the REACTANTS (1pt)

• Chemical Change

• Physical Change

• Chemical Reaction

• Physical Reaction

Properties of the PRODUCTS (substance(s) after the change) are the same as the REACTANTS (substance(s) before the change) (1 pt)

• Chemical Change

• Physical Change

• Chemical Reaction

• Physical Reaction

Does this model show a CHEMICAL OR PHYSICAL CHANGE? (1 pt)

• Chemical Change

• Physical Change

• Chemical Reaction

• Physical Reaction

How do you know that this type of change occurred in the previous question?  Explain your reasoning using specific evidence from the model. (2 pts)

Does this model show a CHEMICAL OR PHYSICAL CHANGE? (1 pt)

• Chemical Change

• Physical Change

• Chemical Reaction

• Physical Reaction

How do you know that this type of change occurred in the previous question?  Explain your reasoning using specific evidence from the model. (2 pts)

In a natural ecosystem, water cycles through the environment.  One part of the water cycle is called EVAPORATION.  When this occurs, liquid water changes into water vapor (gas).  Is this a CHEMICAL CHANGE or a PHYSICAL CHANGE?  (1 pt)

• Chemical Change

• Physical Change

• Chemical Reaction

• Physical Reaction

Using the data on page 3 of your Task 1 Packet, please provide evidence to support your selection on the previous question. (2 pts)