Physical vs. Chemical Change Quick Check

Science 8 Q1 / Matter Interactions

Which observation most likely indicates that only a chemical change has taken place?(1 point)
Responses

The shape changes.

The change cannot be reversed.

A reaction occurs.

States of matter changes.

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

1 and 4

1 and 2

2 and 3

2 and 4

Why is it a physical change to freeze water?(1 point)
Responses

The new and original substances are different.

Only a phase change occurs.

A temperature change occurs.

Heat is released during the process.

Which option is an example of a chemical change?(1 point)
Responses

folding paper

stretching a rubber band

burning wood

chopping vegetables

tell me what the answers are for each question

5 answers

1. A reaction occurs.

2. Changes 1 and 4 are physical changes.

3. Only a phase change occurs.

4. Burning wood is an example of a chemical change.
Sorry, but your answers are wrong.....
Which observation most likely indicates that only a chemical change has taken place?(1 point)
Responses
2 is D and the bot is rite
2 is 2 and 4
Similar Questions
    1. answers icon 1 answer
    1. answers icon 1 answer
  1. Physical vs. Chemical Change Quick Check1 of 41 of 4 Items Question Which observation most likely indicates that only a chemical
    1. answers icon 1 answer
  2. Law of Conservation of Matter Quick CheckScience 8 Q1 / Matter Interactions Which procedure could be used to demonstrate that
    1. answers icon 1 answer
more similar questions