When light travels from one medium to another (from air to water, for example) it gets bent. This is called which of the following?

A. reflection

B. refraction

C. diffraction

D. polarization

Laura thinks that the oak tree has the largest leaves of all the trees at the playground. How could she best test her prediction? A. Measure the height of each of the trees at the playground. B.

A 2.5 kg table can hold kg of weight. what is its structural efficiency?

If an atom had a nucleus 1 ft in diameter, what would be the diameter in miles?

One of the greatest roadblocks to itaian unity was

A cross-country runner accelerates from 4 m/s to 7 m/s over the course of 5 seconds. What is the runner's average rate of acceleration? A. 0.3 m/s/s B. 0.6 m/s/s C. 1.4 m/s/s D. 2.2 m/s/s

What is an example of a safe laboratory procedure

A ring, cylinder, solid sphere, and hollow sphere are all released from rest from the same height on an inclined surface, at the same time. All four objects have uniform density, have the same mass, same radius, and roll without slipping. 1.

One of the reasons it is important to keep our water supplies pollution free is potability. Water that is potable is A) polluted. B) oxygenated. C) fit to drink. D) unfit to drink.

3 forces that you exert when riding a bike

Kuiper Belt objects are composed of which substances? Select all that apply. A. Iron B. Silicon C. Water D. Methane E. Ammonia