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Semester Final Review

Quiz by BRITTANY KIEFER (Staff)

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22 questions
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  • Q1
    While working with harmful chemicals in the lab a student has splashed them in his eyes. What action should take place?
    run to nurse
    flush with water
    put on safety goggles
    wipe eyes with a dry, clean cloth
    30s
  • Q2
    Which statement best represents the scientific process?
    The increased use of technology in science has eliminated errors.
    Once they are established, theories do not change.
    Scientists use evidence to create testable predictions of natural phenomena.
    The primary role of scientists today is to influence the public.
    30s
  • Q3
    A student came to class wanting to know if aliens from outer space were responsible for introducing organisms to the Earth. The teacher explained that this was not a scientific question because —
    it had already been proven wrong.
    it was not true.
    it could not be tested.
    it was the best explanation we had.
    30s
  • Q4
    Student groups are asked to measure the speed of a toy car as it moves across a gym floor. What instrument(s) will be needed to complete the assignment?
    A meter stick
    A meter stick and stopwatch
    A triple beam balance
    A spring balance and a meter stick
    30s
  • Q5
    A bus travels 50.0 km/hr for 3.80 hours. The distance traveled will be
    190 km
    13.2 km
    46.2 km
    53.80 km
    30s
  • Q6
    A car traveled 240 km in 3 hours. What was its average speed in km per hour?
    720 km/hr
    120 km/hr
    40 km/hr
    80 km/hr
    30s
  • Q7
    A student drove their car from their house to the store (4 miles) and then from the store to their friend's house (3 miles) what is the total distance the student drove?
    3 miles
    4 miles
    7 miles
    5 miles
    30s
  • Q8
    It takes more force to accelerate a school bus than it takes to accelerate a car. Which of Newton's laws is being demonstrated here?
    Newton's Universal Law of Gravitation
    Newton’s 1st Law
    Newton’s 2nd Law
    Newton’s 3rd Law
    30s
  • Q9
    Ted is jumping on a trampoline. The more he pushes on the trampoline, the higher he is thrust into the air. Which of Newton's laws is being demonstrated here?
    Newton's Universal Law of Gravitation
    Newton’s 3rd Law
    Newton’s 2nd Law
    Newton’s 1st Law
    30s
  • Q10
    A 0.8 kg toy car is pushed with a force of 4 N. What is the acceleration of the toy car?
    2.1 m/s2
    6.2 m/s2
    3.3 m/s2
    5.0 m/s2
    30s
  • Q11
    Two crates are dropped from a plane, one with a mass of 100 kg and the other with a mass of 75 kg. How would the force of impact compare between the two crates?
    There is not enough information to determine which would have the greater impact force.
    The crate with the smaller mass will have a larger force of impact.
    The crates will have the same force of impact.
    The crate with the larger mass will have a larger force of impact.
    30s
  • Q12
    A boy on ice skates is standing in the middle of an ice rink. He throws a football forwards. What will be the direction of the boy's motion after the throw?
    Forward
    Backward
    Right
    Left
    30s
  • Q13
    A teacher asks students to decrease their kinetic energy. What could the students do in order to decrease their kinetic energy the most?
    Stand up and move their arms
    Sit down and stop moving
    Jump up and down
    Run to the front of the classroom
    30s
  • Q14
    A student decides to jump off a skateboard toward the east. Based on the action/reaction forces, which direction will the skateboard most likely move when she jumps off?
    east
    south
    north
    west
    30s
  • Q15
    Earth is about 81 times more massive than the Moon. How will the mass and weight of a rocket on the Moon compare to its mass and weight on Earth?
    The mass will be the same, but its weight will be greater on the Moon.
    The mass and weight will be less on the Moon.
    The mass will be the same, but its weight will be less on the Moon.
    The mass and weight will be greater on the Moon.
    30s

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