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Q 1/3
Score 0
A group of students is performing an investigation to measure how much liquid water is produced from a 10 L sample of snow. What must occur in order for the students to perform this investigation?
30
C The investigation must be performed outside.
B The temperature of the sample must change.
A The sample must be kept in a freezer.
D The physical state of the sample must remain the same.
Q 2/3
Score 0
Students drop the same heavy ball onto identical blocks of soft clay from different
heights. For each height they measure the depth of the dent the ball makes in the clay.
Why is the depth of the dent different in each trial?
30
B The material of the ball changes.
A The size of the ball changes.
The force of the ball when it hits the clay changes.
C The mass of the ball when it hits the clay changes.
3 questions
Q.
A group of students is performing an investigation to measure how much liquid water is produced from a 10 L sample of snow. What must occur in order for the students to perform this investigation?
1
30 sec
Q.
Students drop the same heavy ball onto identical blocks of soft clay from different
heights. For each height they measure the depth of the dent the ball makes in the clay.
Why is the depth of the dent different in each trial?
2
30 sec
Q.
Students drop the same heavy ball onto identical blocks of soft clay from different
heights. For each height they measure the depth of the dent the ball makes in the clay.
Why is the depth of the dent different in each trial?