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7th Grade DCA 2 Review

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    7.7ABC & 7.8AC
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  • A car travels 120 km in 2 hours. What is its speed?
    60 km/h
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  • A runner moves at 5 m/s for 20 seconds. What distance does he travel?
    100 meters
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  • A bike rides 30 km at 10 km/h. How long does it take?
    3 hours
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  • If a car moves 200 m in 10 s, what is its speed?
    20 m/s
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  • If you walk at 4 m/s for 15 seconds, how far do you go?
    60 meters
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  • A plane flies 900 km in 3 hours. Find its speed.
    300 km/h
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  • A student runs 100 meters in 25 seconds. How fast did they travel?
    4 m/s
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  • A car travels at 50 km/h for 4 hours. How far did it travel?
    200 km
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  • If a train travels 600 miles in 10 hours, what is its speed?
    60 mph
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  • How do you calculate time?
    Time = Distance ÷ Speed
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  • What is the difference between speed and velocity?
    Velocity includes direction, speed does not
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  • Define the term Displacement.
    The straight-line distance from start to finish
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  • A runner goes 3 laps around a track and ends where they started. What is their displacement?
    0 meters
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  • Define the term Distance.
    The total path an object travels
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  • If a car goes 10 km east then 10 km west, what is its displacement?
    0 km
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  • What type of heat transfer happens when you touch a hot pan?
    Conduction
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