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Q 1/5
Score 0
How does friction affect motion?
30
Friction does not affect motion.
Friction is a force that resists motion.
Friction causes object to go move faster.
Q 2/5
Score 0
This variable in an experiment is the one being deliberately changed by the Scientist.
30
Hypothesis
Variable
Question
Data
5 questions
Q.
How does friction affect motion?
1
30 sec
Q.
This variable in an experiment is the one being deliberately changed by the Scientist.
2
30 sec
Q.
Which of these increases the friction of someone walking on the floor?
3
30 sec
Q.
A student uses a spring scale to pull a 50-gram block horizontally across a wood desk. Then the student pulls the block the same distance across surfaces of carpet, sandpaper, and glass. Which question is this investigation most likely designed to answer?
4
30 sec
Q.
What is the ONLY variable that should be changed in the experiment?
