Main Ideas and Supporting Details

Which of the following TWO pieces of information should be included in a main idea statement about the section titled "Bermuda Triangle"?

• mysterious disapppearances

• named in 1964

• unofficial name of triangular area in the Atlantic Ocean

• between Miami, San Juan, and Bermuda

Which detail best supports the main idea of the section titled "The Dragon's Triangle"?

• Violent storms and constant volcanic activity are scientific explanations of events that occur here.

• The location, off the coast of Japan, has a mysterious reputation for unexplained events.

• The writer Vincent Gaddis proposed the name in 1964 even though stories have spread through word of mouth since the 1800s.

• Some theories include alien kidnappings, doorways to other universes, and interference from leftover technology from Atlantis.

Which statement best describes the main idea of the setion titled "Easter Island"?

• Easter Island was declared a World Heritage site in 1995.

• Most of the statues are about thirteen feet high and weigh about fourteen tons each.

• The small, remote island off the coast of Chile is home to huge, mysterious "moai" statues.

• Experiments have proven that the statues were moved by rocking them back and forth with ropes.

Which two details best support the main idea statement that "Many theories have attempted to explain the mysterious stone circles."

• Each stone in the outer ring weighs about twenty tons.

• There are many prehistoric stone circle monuments around Europe.

• Some believe Stonehenge was used as a burial ground because ancient skeletons have been found in the area.

• Others believe Stonehenge was an astronomical calendar to observe the summer and winter solstice.

Which of the following main idea statements would be included under the section "Mysterious Disappearances". Select all that apply.

• No one knows for sure what happened to the abandoned ship Mary Celeste.

• Amelia Earhart mysteriously vanished while trying to fly around the world in 1937.

• Harold Holt, Australian prime minister, disappeared in 1967, with no evidence.

• The Yeti is a mythical creature of local legend in the Himalayas.

True or False. A supporting detail of the section "Is Anyone Out There?" is: Project Breakthrough Listen is a ten year long study that uses powerful telescopes to search for signals and messages from the one million stars closest to Earth.

• True
• False

How does the text feature in the section titled Unidentified Flying Objects help support the main idea of that section? Select TWO responses.

• It lists examples of natural explanations for UFO sightings.

• It supports the conclusion reached by "Project Blue Book"

• It lists supernatural explanations of UFO sightings.

• It describes UFOs as colored balls of lights, disc-shaped objects, or glowing wheel-shaped objects in the sky.

Please look at the statement below. Where would it best belong in the graphic organizer?

"In 1947, a United States Air Force surveillance balloon crashed at a ranch near Roswell, New Mexico."

• main idea statement from the section "Unidentified Flying Objects"

• supporting detail example from the section "Unidentified Flying Objects"

• main idea statement from the section "Crop Circles"

• supporting detail example from the section "Bigfoot"

What type of supporting detail is this? "Bigfoot is described as large, covered in dark hair, and walking on two legs like a human."

• description

• fact

• example

• main idea

What kind of supporting detail is this statement: "The earliest case linked to the area was in the 13th century, when Kublai Khan, emperor of Mongolia attempted to invade Japan."

• description

• example

• fact

• main idea