Ocr Unit 4-why Did The Dinosaurs Disappear?
OCR Unit 4-Story 4: Why Did the Dinosaurs Disappear?
- 1.Why did the dinosaurs disappear?
- A.
The wind blew too hard for them.
- B.
It became too warm for them.
- C.
No one knows for sure.
- 2.A huge hole made by a meteorite crash is called
- A.
An earthquake
- B.
Iridium
- C.
A crater
- 3.One example of how the earth was like when the dinosaurs lived is
- A.
There were huge earthquakes
- B.
There was a McDonalds on the corner
- C.
There were people on earth
- 4.Check all of the reasons why scientists thought the dinosaurs disappeared. There can be more than one.
- A.
A volcano erupted blocking out the sun.
- B.
There was a space invasion.
- C.
A meteorite hit earth and added soot to the air.
- D.
A giant dinosaur ate them and is now hiding.
- 5.The weather could have become too _______ and chilly for the dinosaurs.
- 6.Volcanoes caused large amounts of dust that blocked out the __________.
- 7.Small animals could make dinosaurs disappear by stealing the dinosaurs' ________ and eating them.
- 8.When the dinosaurs died out,
- A.
Some kinds of plants died, too
- B.
No other living things were around
- C.
The climate didn't change at all
- 9.Which of these is a rare metal mentioned in the story?
- A.
Soot
- B.
Clay
- C.
Iridium
- 10.What would cause dinosaurs to starve?
- A.
Not enough air
- B.
Not enough water
- C.
Not enough food
- 11.Which of these is closed in meaning to climate?
- A.
Weather
- B.
Storms
- C.
Plant life
- 12.An eruption is most like
- A.
A rain storm
- B.
An explosion
- C.
An extinct animal
- 13.Moisture is the same as
- A.
Cold
- B.
Wetness
- C.
Smoothness
- 14.What is a discovery?
- A.
A tool that scientists use
- B.
A place where dinosaurs lived
- C.
Something new that has been found
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