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Which of the following accurately explains why the telescopes that detect invisible waves, such as infrared, microwaves, and gamma rays, are placed in space? There are not enough places on land to build observatories that hold large telescopes. All telescopes ...
How have telescopes been designed to enable scientists to detect these different wavelengths? – Telescopes have been made bigger, so they can detect more wavelengths. – Telescopes have been made with materials to block out specific wavelengths. – Special telescopes ...
What is the main idea of this selection? A) Laughter is usually an expression of a positive emotional state, such as joy, mirth, happiness, or relief. B) Laughter is a common behavior among people in every culture and every region ...
Which of the following are units scientists use when describing distances in space? meters kilometers light years astronomical units miles
Determine if the given sides form a triangle. 3.9 m, 1.9 m, 0.4 m Select the correct choice below, and fill in the answer box to complete your choice. (Type an integer or a decimal.) A. No, because the sum of the lengths ...
The message of this political cartoon is to A support the early Pirate trades. B urge the repeal of the Stamp Act. C alert people of British war crimes. D represent the dangers of the Pony Express.
How can you determine when it is possible to draw a triangle with given side lengths? A) Use a protractor. B) Use a ruler to measure. C) Add the lengths of any two sides and compare to the length of ...
During the colonial era, the American south developed very few urban areas, which resulted in a A) system of slavery and forced labor. B) poverty stricken region of peasants. C) strong network of roads that connected isolated areas. D) low ...
Which statement about a right triangle is true? The length of each leg equals 1/2 of the hypotenuse. The square of the hypotenuse is equal to the sum of the squares of the legs. One leg is always longer than ...
This selection is mainly about A) how ancient people were able to move giant blocks of stone with small tools. B) why archaeologists know more about ancient cave paintings than ancient temples. C) why ancient people placed a higher importance ...
The Manhattan Project was A) an initiative to help the children of hard-working immigrants who lived in crowded cities. B) intended to stop spies from passing along the nation’s strategic secrets during wartime. C) a top-secret U.S. government research project ...
Which statement best summarizes the excerpt? A) Scientists at the time were skeptical of the idea that nuclear fission could be used to build weapons. B) Scientists in Europe succeeded in building the atomic bomb and asked the United States ...
This selection is best described as A) science fiction. B) informational nonfiction. C) realistic fiction. D) persuasive nonfiction.
Choose the sentence from this excerpt that best supports the claim that Klaus Fuchs should not have been allowed to work on the Manhattan Project. 1. Japan was an enemy during World War II; it had continued to fight after ...
Tone is the author’s attitude toward the subject or topic. The tone in this excerpt can best be described as A) resentful. B) sympathetic. C) factual. D) apologetic.
Read these two excerpts. How do these two excerpts work together? A Both describe how Ethel and Julius Rosenberg first met at Communist Party events. B Both describe how Americans feared that spies were stealing the nation’s atomic bomb secrets.
The Rosenbergs were charged with “conspiracy to commit espionage.” The government believed they were A) nuclear scientists. B) British physicists. C) Communist spies in America. D) employees of a shipping company.
Place these events from the selection in order from first to last to show the family’s process for making molasses. – Plant a crop of sorghum. – Boil the juice down to make molasses. – Harvest the stalks or canes ...
Read these two excerpts. Which two of the following words best describe the father? A) anxious B) uncaring C) curious D) resourceful E) level-headed
Choose the sentence in this excerpt that shows the family is taking over a farm that someone gave up without ever intending to return. There were about five acres of land that had been plowed before by some settler who ...
Which sentence summarizes this paragraph? A The family enjoyed an abundant harvest their first season. B The children quickly grew tired of their pioneer life on a farm. C The preacher spent too much time on the farm ...
What happened to the last of the family’s molasses? A) The container of molasses was forgotten, then found by the next settlers. B) The container exploded, spewing molasses all over the house. C) The container had a small leak, but ...
This image shows an onion harvest. How does this image relate to the author’s childhood experience on a farm? A) A rotten onion crop set off a series of unfortunate incidents that led his father to quit farming. B) Onions ...
In this excerpt, the word “prosperity” means A success. B average. C hardship. D desperation.
In this excerpt, the word “prosperity” means A) success. B) average. C) hardship. D) desperation.
