Stars and Galaxies (MindTap Course List)
10th Edition
ISBN:9781337399944
Author:Michael A. Seeds
Publisher:Michael A. Seeds
Chapter15: The Milky Way Galaxy
Section: Chapter Questions
Problem 30RQ
Related questions
Question
![After completing this Lecture Tutorial, students should be able to:
distinguish between scientific hypotheses and nonscientific ideas.
Part 1: Comprehension of Hypotheses
A scientific hypothesis needs to (1) be supported by the majority of current data and (2) be
testable. An alien on Earth is wondering why a rubber ball falls back down to the ground
after it is thrown into the air. It comes up with several ideas about the ball.
a. Gravity is pulling the ball to the ground.
b.
A mystical force that cannot be measured is pushing the ball down.
c.
Earth's magnetic field is pulling on the rubber ball.
1. Which statement is NOT a hypothesis because it is not testable? a b c
2. Which statement is NOT a hypothesis because it is not supported by current data? a b c
3. Which statement IS a scientific hypothesis? a b c
Part 2: Application to Dinosaur Extinction
Below are possible scenarios explaining the extinction of the dinosaurs.
a. Dinosaurs were killed off by a virus.
b. A large meteorite impact caused the climate to change, so some plants and animals
could no longer survive.
c. Volcanic eruptions caused the climate to change, so some plants and animals could no
longer survive.
d. Mammals ate all the dinosaur eggs.
4. Determine if each statement above is a valid hypothesis. Explain your answer using the
requirements of a scientific hypothesis.
a.
Yes
No
because
b. Yes
because
because
because
DA A
Yes
d. Yes
No
No
No
7
I
W
F](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc4807093-cbc9-4722-a4f4-63d58b700be9%2F5d1ff867-ac66-47ae-b392-16e81026d74a%2F7i1gbp7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:After completing this Lecture Tutorial, students should be able to:
distinguish between scientific hypotheses and nonscientific ideas.
Part 1: Comprehension of Hypotheses
A scientific hypothesis needs to (1) be supported by the majority of current data and (2) be
testable. An alien on Earth is wondering why a rubber ball falls back down to the ground
after it is thrown into the air. It comes up with several ideas about the ball.
a. Gravity is pulling the ball to the ground.
b.
A mystical force that cannot be measured is pushing the ball down.
c.
Earth's magnetic field is pulling on the rubber ball.
1. Which statement is NOT a hypothesis because it is not testable? a b c
2. Which statement is NOT a hypothesis because it is not supported by current data? a b c
3. Which statement IS a scientific hypothesis? a b c
Part 2: Application to Dinosaur Extinction
Below are possible scenarios explaining the extinction of the dinosaurs.
a. Dinosaurs were killed off by a virus.
b. A large meteorite impact caused the climate to change, so some plants and animals
could no longer survive.
c. Volcanic eruptions caused the climate to change, so some plants and animals could no
longer survive.
d. Mammals ate all the dinosaur eggs.
4. Determine if each statement above is a valid hypothesis. Explain your answer using the
requirements of a scientific hypothesis.
a.
Yes
No
because
b. Yes
because
because
because
DA A
Yes
d. Yes
No
No
No
7
I
W
F
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