Which observation most likely indicates that only a chemical change has taken place?(1 point)
Responses
The shape changes.
The shape changes.
The change cannot be reversed.
The change cannot be reversed.
A reaction occurs.
A reaction occurs.
States of matter changes.
A reaction occurs.
Use the table of observed changes to answer the question.
Change # Reacts with another substance? Temperature change? Gas, sound, or light produced? New substance formed?
1 yes yes yes yes
2 no yes yes no
3 yes yes yes yes
4 no no no no
Which changes shown in the table are physical changes?
(1 point)
Responses
2 and 3
2 and 3
1 and 2
1 and 2
1 and 4
1 and 4
2 and 4
2 and 4
Why is it a physical change to freeze water?(1 point)
Responses
Only a phase change occurs.
Only a phase change occurs.
Heat is released during the process.
Heat is released during the process.
The new and original substances are different.
The new and original substances are different.
A temperature change occurs.
Only a phase change occurs.
Which option is an example of a chemical change?(1 point)
Responses
chopping vegetables
chopping vegetables
burning wood
burning wood
stretching a rubber band
stretching a rubber band
folding paper
burning wood
True or False:
An individual’s self-esteem stays the same throughout their life.
(1 point)
Responses
true
true
false
false
false
True or False:
Self-actualization means that you focus on yourself all the time.
(1 point)
Responses
true
true
false
false
false
Which of the following is a skill you can practice to improve your self-esteem?
(1 point)
Responses
Recognize your strengths as well as your weaknesses
Recognize your strengths as well as your weaknesses
Always think you should succeed at everything you try
Always think you should succeed at everything you try
Be concerned about what others think of you
Be concerned about what others think of you
Hide your insecurities from others