A goldfish is capable of seeing which electromagnetic wave?

A. X-rays

B. Gamma rays

C. Microwaves

D. Both infrared and ultraviolet light

Which answer best describes the scientific method? A. THe best way to answer an untestable question B. The order in which experiments always happen C. Five things that scientist do when working D. A hypothesis that cannot be answered.

How does the focal length (f) of a convex lens compare with the focal length of a concave lens? A. Both are negative. B. The focal length of the convex lens is positive, and that of the concave lens is negative. C.

A Type I statistical error occurs when a researcher claims that there is not enough support to establish significance for the research hypothesis, but in fact there is enough. True or False

Why do physicists say mass is more fundamental than weight?

The atoms in a solid move about freely

Jamal wanted only to test the effect of the free fall and so he put his system in a vacuum to prevent air resistance. In free fall, will the crumpled or flat paper reach the ground first? The crumpled paper will reach the ground first.

Earth is subject not only to the gravitational force of the Moon but also to the gravitational pull of the Sun. However, Earth is much farther away from the Sun than it is from the Moon. In fact, the center of Earth is at an average distance of 1.

Factors that affect your fitness health and wellness are called

Gravity is affected by ... A) force B) force and distance C) force and mass D) mass and distance

Why does mercury not have an extensive atmosphere?