What of the following is 1 reason scientific theories about origin of the universe has changed?

New evidence of red shift has been discovered.

Hubbles theory on redshift was not accepted; How should scientists have responded to his work?

gathering additional date to confirm or reject Hubble's data

What technological advances have helped to change scientific understanding about life on Mars?

Scientists have developed better telescopes.

Big Bang theory:Universe exploded when all matter was at the same point,What evidence supports?

Galaxies in universe seem to be moving away from each other.

How has humankind gained its current understand of conditions on other planets?

Each new generation of scientists has added more information

Which statement best supports the idea that Milky Way galaxy is much larger than Solar System?

Milky way is 100,000,000xbig in diameter of orbit of Neptune

What is the most likely reason that many theories have changed over time?

New evidence has been discovered thru advances in tech.

Throughout history, why have scientists accepted the different ideas about the universe?

Previous ideas were modified as new evidence was discovered.

Scientists accept that nuclear fusion created many elements found on earth: what data helped?

spectral lines of elements in stars

How has the Hubble telescope contributed to scientific progress?

Increased knowledge of the expansion of the universe.

Earth currently orbits our star in the "habitable zone";what is most accurate to describe this?

distances from a star where enough liquid water to exist

What is most likely reason Venus does not have life?

The distance is too close from the sun to Venus.

Which conclusion does Hubble's evidence support?

The universe expands outward from a central point

What must scientists assume about the laws of the universe in order to draw accurate conclusion

The laws remain the same over time

What is 1 evidence that made big bang theory a current accepted theory of formation of universe

Data collected by Hubble shows galaxies moving apart

How has technology helped shape the theory of an expanding universe?

Tech lets scientist look at light to see if it is moving

Writing a report on evidence that life is on other planets; What will provide the most info?

online search of NASA web site for the latest news about it

Which observation would be the best evidence that life existed on Mars in the past?

Rocks from Mars contain fossils.

What data would be best for scientists to determine if a planet could support life?

Send a space probe to the planet

What statement gives the most scientifically accurate size comparison between Earth and Uranus?

Uranus has a volume 63 times the volume of Earth.

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Questions 29

Answers

1
What of the following is 1 reason scientific theories about origin of the universe has changed?
Scientists have decided to change theories every 10 years.
Earth's magnetic field has been measured many times.
New evidence of red shift has been discovered.
The government keeps publishing new articles.
2
Hubbles theory on redshift was not accepted; How should scientists have responded to his work?
disregard the new data cause it did not fit accepted theory
gathering additional date to confirm or reject Hubble's data
changing the new data to fit the accepted theory
adopting a new theory based on Hubble's data
3
What does the color of a star tell us about the star?
distance from Earth
mass
size
temperature
4
What do you use to find info about masses of heavy elements in earth formed from supernovas?
astronomy chart
chemistry textbook
world map
biology textbook
5
Which source is reliable for a student to use when researching the Big Bang theory?
Astronaut's blog about a space journey
NASA website
Wikipedia article
TV show on fiction myths
6
Based on big bang theory, what phrase is best described of energy and matter of the universe?
compact, dance, and hot
exactly as it is today
larger than it is today
a cold, dark vacuum
7
What technological advances have helped to change scientific understanding about life on Mars?
Astronauts have observed moons orbiting Mars.
Astronauts have brought back fossils from Mars.
People from Earth have discovered new solar systems.
Scientists have developed better telescopes.
8
Big Bang theory:Universe exploded when all matter was at the same point,What evidence supports?
All matter can be dated to same time of origin.
There were more elements in the early universe than today.
Heavy elements were formed in early stars & not formed now.
Galaxies in universe seem to be moving away from each other.
9
How has humankind gained its current understand of conditions on other planets?
Each new generation of scientists has added more information
Modern scientists rejected all the old data and added better
Most of what we know was discovered in 1800's
Planets do not change, so new information is not relevant
10
What planetary features are found on both Earth and Mars?
life and oceans
an atmosphere and ice caps
life and ice caps
and atmosphere and oceans
11
Which source is most reliable for a student for researching the Milky Way galaxy?
a flyer form space advocacy group
NASA research website
a book about the mythology of astronomy
magazine article from 1985
12
Which statement best supports the idea that Milky Way galaxy is much larger than Solar System?
Milky Way is 10,000x larger in diameter of Jupiter
Milky Way is 10,000x larger in diameter of orbit of Eris
Milky way is 100,000,000xbig in diameter of orbit of Neptune
Milky Way is 100,000,000x lager in diameter of Earth
13
What is the most likely reason that many theories have changed over time?
Computer now process info faster than the speed on light.
Scientists have discovered that there are no other planets.
New evidence has been discovered thru advances in tech.
Historical papers that document the big bang have been found
14
Throughout history, why have scientists accepted the different ideas about the universe?
Previous ideas were not accepted by governments.
Previous ideas were modified as new evidence was discovered.
Previous ideas were never accepted by scientists.
Previous ideas were not supported by evidence.
15
Scientists accept that nuclear fusion created many elements found on earth: what data helped?
amount of time it takes elements to decay
masses of elements formed immediately after the big bang
location of elements on Earth
spectral lines of elements in stars
16
How has the Hubble telescope contributed to scientific progress?
Increased scientists knowledge of the life cycle of the sun.
Increased knowledge of the expansion of the universe.
Scientists to visit other planets and moons in solar system.
Discover new constellations from Earth.
17
Earth currently orbits our star in the "habitable zone";what is most accurate to describe this?
distances from a star where enough liquid water to exist
narrow area within the sun into which solar radiation falls
part of solarsystem when light warms the surface &make water
very narrow range or orbital distances between a star
18
Scientists found evidence of possible ancient life in a rock on Mars. Which helps supports this
water erosion on the surface
wind erosion on the surface
changes in the polar caps over time
impact craters in the northern hemisphere
19
What does red-shift data indicate about the universe?
The universe is contracting
The universe is cooling down
The universes heating up
The universe is expanding
20
What is most likely reason Venus does not have life?
The orbit of Venus is too elliptical.
The distance is too close from the sun to Venus.
The gravitational force is too high on Venus.
The length of a day is too long on Venus.
21
Which process is responsible for producing the energy that a star releases into the universe?
fusion
radiation
conduction
convection
22
Which conclusion does Hubble's evidence support?
Black holes are the base of all matter
Matter remains in a steady state
The universe expands outward from a central point
Matter seems to repel from all other matter
23
What must scientists assume about the laws of the universe in order to draw accurate conclusion
The laws are different for different objects
The laws remain the same over time
The laws vary according to location
The laws change predictably over time
24
What is 1 evidence that made big bang theory a current accepted theory of formation of universe
Data collected by Hubble show galaxies moving faster in past
Data collected by Hubble shows galaxies moving apart
Data collected by Hubble shows galaxies moving together
Data collected by Hubble shows galaxies moving faster now
25
How has technology helped shape the theory of an expanding universe?
Diagrams of the stars determine the universe will collapse
Tech allows scientist to map positions of planets each year
Tech allows scientists to determine number of moons orbiting
Tech lets scientist look at light to see if it is moving
26
Writing a report on evidence that life is on other planets; What will provide the most info?
online search of NASA web site for the latest news about it
a chapter in science book for requirement to support life
enclycopedia article that describes the structure of galaxy
newspaper article that describes the composition of planet
27
Which observation would be the best evidence that life existed on Mars in the past?
Rocks from Mars contain salt.
Atmospheric samples from Mars contain hydrogen gas.
Rocks from Mars contain fossils.
Atmospheric samples from Mars contain chlorine gas.
28
What data would be best for scientists to determine if a planet could support life?
Conduct a panel discussion
Build a very powerful telescope
Built a supercomputer
Send a space probe to the planet
29
What statement gives the most scientifically accurate size comparison between Earth and Uranus?
Uranus is 63 times bigger than Earth.
Earth has a much smaller diameter than Uranus has.
Uranus has a volume 63 times the volume of Earth.
Earth and Uranus appear about the same size in picture.

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