ETS praxis 5005

Which scientist published a paper in the 16th century that provided evidence that the Earth orbits the sun?

• A Charles Darwin

• B Nicolaus Copernicus

• C Nikola Tesla

• D Leonardo da Vinci

Which of the following types of stars is a large, relatively cool star with a small core that fuses helium into carbon?

• neutron star

• blue giant

• pulsar

• red giant

Which of the following is the most important rationale for the scientific study of Mars?

• establishing a colony for humans

• investigating the existence of intelligent life

• understanding the evolution of the solar system

• gaining access to rare or exotic resources

Which of the following questions is most likely to pique student interest in studying the details of a specific planet, such as Mars

• How far is Mars from the sun?

• Why do you think Mars has two moons and Earth has only one?

• What do you think Mars is made of?

• What do you think you would find, see, and hear if you were the first person on Mars?

Our solar system contains many components. Which object is at the center of the solar system?

• asteroid belt

• Earth

• sun

• Jupiter

Ms. Jolly projects a NASA picture of the night sky for her students to look at. One student, Pam, exclaims "The stars are colored!" Which of the following is the best response for Ms. Jolly to make if she is to use Pam's outburst as a teaching moment?

• Pam, please raise your hand if you have something to say in class

• Shall we find out why the stars have colors?

• Do you know how far away the stars are?

• Stars have different colors because they are at different temperatures

Comets are composed of:

• gas, dust, and ice.

• only ice.

• only dust.

• only gas

Which of the following statements regarding meteorites is true?

• Meteorites are the center of the universe

• Meteorites are comets that have fallen out of their orbit

• Meteorites are comets that have fallen out of their orbit Meteorites are meteors that actually strike the Earth

• Meteorites are mainly composed of gas.

Which of the following is a major difference between the Earth and the sun?

• shape

• rotation on an axis

• size

• internal temperature higher than surface temperature

Which of the following is the furthest planet from the sun?

• Earth

• Pluto

• Mercury

• Neptune