In the picture shown, which label is the asterism, constellation, and star?
a. Little Dipper is the constellation, no asterism is labeled, and Polaris is the star.
b. Big Dipper is the asterism, no star is labeled, and Polaris is the constellation.
c. Polaris is the star, Little Dipper is the asterism, and no constellation is labeled.
d. No star or asterism is labeled but Big Dipper is the constellation name.
C
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Of the planets, ________ is the least dense, and could float on water
Fill in the blank(s) with correct word
Suppose that you are isolated and "floating" in outer space and that you hold a wooden block and a lead block, one in each hand, and that the two blocks look and feel identical. How could you tell which one is the lead block?
A) Give each one a light tap with your finger; the one that accelerates the least is the lead block. B) Let go of them; the one that falls the fastest is the lead block. C) Give each one a light tap with your finger; the one that accelerates the most is the lead block. D) None of the above methods could tell you which block is the lead block.
Force on a Moving Charge: We observe that a moving charged particle experiences no magnetic force. From this we can definitely conclude that
A. no magnetic field exists in that region of space. B. the particle must be moving parallel to the magnetic field. C. the particle is moving at right angles to the magnetic field. D. either no magnetic field exists or the particle is moving parallel to the field. E. either no magnetic field exists or the particle is moving perpendicular to the field.
The element barium should produce compounds most similar to those of
a. sodium. b. nitrogen. c. carbon. d. calcium.