00.07 Module Exam: earth space science
Which of these is an example of an experiment?
add different quantities of water to three potted plants
Kate plans to start a winter garment store. The market conditions suggest that the best time to start a winter garment store is between October and February. She would earn the best profit during the first six months of the year. Based on scientific knowledge and trends, which of these would be the most favorable month for Kate to start her store?
December
Sarah plans to go on an outing with her friends. On Saturday morning, the sky was cloudy and Sarah's barometer indicated that the air pressure was falling. When air pressure falls, it indicates the weather conditions will decline. The air pressure kept falling for the next three days and then started rising on the fourth day. Based on scientific knowledge, which of these was the most favorable day for Sarah to go on an outing?
Wednesday
Which of these questions is scientific?
What is the age of the Earth?
A scientific question should be
creative
Two scientists did the same experiment bu arrived at different results. The scientists most likely
did not have accurate data and information
Which of these forces attract a positive charge towards a negative charge?
electromagnetic force
Which of these is part of the cryosphere?
icebergs
Four groups of students in different parts of the world are investigating the reason why the shape of the moon changes from time to time. If the results of their investigations are considered valid, they would most likely be
identical
One scientist discovered a new theory on the evolution of the universe. What is the next step for the scientist to take?
inform the scientific community so they can verify the results
Which of these statements is correct about a theory?
it can be changed bu current evidence
Which of these statements is correct about a theory?
it can be changed by current evidence
Which of these statements best describes how scientific thinking is useful in daily life?
it helps reject false assumptions in society
A scientific theory states that Earth revolves around the sun. Which of these statements is correct about this theory?
it is a well supported explanation
"The sun rises in the east and sets in the west." Which of these statements is correct about this law of science?
it is an observation which cannot be challenged
Which of these is an example of a hypothesis?
leaves may change color due to temperature
Meter is the SI base unit for measuring
length
Kilogram is the SI base unit for measuring
mass
Which of these is a part of the geosphere?
minerals
Which of these describes a situation where science is used?
predicting the weather by looking at the clouds
Two scientists did the same experiment but arrived at different results. The results would most likely
provide testable ideas
Predictions about the future based on the position of planets is an example of
pseudoscience
Scientific knowledge becomes more reliable when it is
questioned
In ancient times, scientists believed that matter could be destroyed by burning or breaking. Modern scientists believe that matter cannot be destroyed. What best accounts for these different opinions?
scientists with varied backgrounds make different interpretations
Which of these forces help protons and neutrons to stay at the center of the atom?
strong nuclear force
A scientific idea becomes valid when it is
tested
A scientist plans to find out the percent of teenagers who like science. She interviews 500 teenagers leaving a science museum and finds that 450 of them like science. The scientist concludes that 90 percent of teenagers like science. Why is the scientist's conclusion most likely unreliable?
the source of information was biased
One scientist discovered a new theory on the evolution of stars. Why is it necessary for scientists all over the world to agree with the theory before it can be accepted?
to make certain that the results are reliable
A scientist studies a model of a widely accepted theory about the universe. The model would most likely help the scientist to
understand a theory which cannot be observed
Scientists in different parts of the world have conducted experiments to find the speed of light in vacuum. If the results of the experiments are identical, they would most likely be
valid
