You have three flowers. You give each a different amount of
water. What is one of the
possible controlled variables?

Ingrid wrote the hypothesis below. if the temperature of a liquid increases, the density of the liquid decreases because the particles move farther apart. what are the variables in her hypothesis?

Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =