Construct an argument based on observational evidence to support the claim that when a change in a substance occurs, it can be classified as either chemical or physical. (Clarification statement: Evidence could include ability to separate mixtures, development of a gas, formation of a precipitate, change in energy, color, and/or form.)
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Q 1/3
Score 0
An ice cube is put into a heated pan. What will MOST LIKELY happen to the molecules in the ice as the ice is heated?
60
The molecules will begin to condense in the air.
The molecules will begin to increase in density. '
The molecules will begin to move slower.
The molecules will begin to move faster.
Q 2/3
Score 0
What happens to water molecules during the boiling process?
60
They move faster and remain close together as they absorb heat.
They move more slowly but move farther apart as they lose heat.
They move faster and move farther apart as they absorb heat.
They move faster and move farther apart as they lose heat.
3 questions
Q.
An ice cube is put into a heated pan. What will MOST LIKELY happen to the molecules in the ice as the ice is heated?
1
60 sec
S8P1d
Q.
What happens to water molecules during the boiling process?
2
60 sec
S8P1d
Q.
Which shows one example of a physical change and one example of a chemical change?
