If a Strong Wind from the West Breaks a Window

Q18: Most of the matter in the universe

Q19: The energy source responsible for the motion

Q20: The air in this room has<br>A)mass.<br>B)weight.<br>C)energy.<br>D)all of

Q21: A suction cup sticks to a wall.It

Q22: Which of the following bodies is comprised

Q24: The faster a fluid moves,the<br>A)greater its internal

Q25: The flight of a blimp best illustrates<br>A)the

Q26: A balloon is buoyed up with a

Q27: Compared to the buoyant force of the

Q28: An umbrella tends to move upwards on