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Homework help? (Theories and laws, earth space science.)?

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Homework help? (Theories and laws, earth space science.)?

Postby kenway » Mon Apr 09, 2012 11:18 pm

Question 1 (Multiple Choice Worth 2 points)

Which best describes how computer simulations are used in science?

Computer simulations help scientists see very large objects.

Computer simulations help scientists see very small objects.

Computer simulations help scientists predict future events.

Computer simulations help scientists map unexplored places.

Question 2 (Multiple Choice Worth 2 points)

Which of the following objects would most likely be studied using maps?

The elements that make up the sun

The highways that pass through Florida

The flowers that are planted in a garden

The organisms that make up the ant family

Question 3 (Multiple Choice Worth 2 points)

When a local farmer found oil bubbling to the surface in one of his fields, he reported the information to a group of scientists. After 30 years of experimentation, the scientists develop a new theory about how oil formed beneath this location. How do you know that this information is really a theory?

The theory proves a scientific law.

Most of the data were unobservable.

The theory was developed over time.

The data describe a natural phenomenon.

Question 4 (Multiple Choice Worth 2 points)


Question 5 (Multiple Choice Worth 2 points)

Sandy was given the following series of observations. Which represents a theory?

Light from the sun is warm.

Light from the sun is bright.

The sun formed from the compression of a cloud of gas and space dust.

The sun appears orange-yellow in the morning and red-orange in the evening.

Question 6 (Multiple Choice Worth 2 points)

A scientist completes a new investigation and announces that she has developed a new theory. Which of the following statements is most likely true about her investigation?

She discovered a law of science.

She has consensus on a new theory.

She will not need to repeat the experiment.

She may have solved a problem, but more data is needed.

Question 7 (Multiple Choice Worth 2 points)

A scientist wishes to represent the location of an earthquake in California. Which type of model is most appropriate for this purpose?

Computer simulation

Equation

Graph

Map

Question 8 (Multiple Choice Worth 2 points)

How did the geocentric theory change over time as increased scientific knowledge led to increased consensus within the scientific community?

Scientists demonstrated that Earth revolves around the sun.

Scientists proved that Earth was the center of the universe.

The sun began to rise in the east several centuries ago.

The observations for a geocentric solar system became increasingly well documented.

Question 9 (Multiple Choice Worth 2 points)

Which of the following is a reason a theory cannot become a law?

Theories but not laws are agreed upon.

Laws but not theories change over time.

Laws are explanations; theories are hypotheses.

Laws are descriptions; theories are explanations.

Question 10 (Multiple Choice Worth 2 points)

A scientist has been working for 15 years to develop a new type of plastic material, but she has not yet been successful. Which of the following best explains why her work is still a success?

New ideas often develop from unsuccessful experimentation.

The original problem was not solved and can now be abandoned.

Most scientists require several decades of experimenting before achieving their goals.

The scientist has demonstrated that there are no new plastics for scientists to develop.

----Please only answer if you really know. I have tried to take this like 4 times and didn't do so well /: , Thanks. :)
kenway
 
Posts: 8
Joined: Fri Apr 01, 2011 2:02 am

Homework help? (Theories and laws, earth space science.)?

Postby golding » Mon Apr 09, 2012 11:22 pm

1. Computer simulations help scientists predict future events.
2. The highways that pass through Florida
3. Most of the data were unobservable.
4.
5. The sun formed from the compression of a cloud of gas and space dust.
6. She may have solved a problem, but more data is needed.
7. Map
8. Scientists demonstrated that Earth revolves around the sun.
9. Laws are descriptions; theories are explanations.
10. New ideas often develop from unsuccessful experimentation. :)
golding
 
Posts: 17
Joined: Thu Mar 31, 2011 9:14 am


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