Universe
Scientific models are often built in stages or layers, starting with a single idea. Which idea eventually grew into the big bang model of the universe?
If all of the matter in universe is expanding, then it must have started out much smaller.
Astronomers use light years to measure distance between objects that are very far apart from one another, such as
What is stars in different solar system
Evidence that the universe is constantly expanding best supports the
What is the big bang theory
How are galaxies classified?
What is by their shape.
Why did the knowledge about Earth's position in the solar system change.
What is new technology gave scientists new evidence that changed their interpretation of celestial movement.
A Scientist named Edwin Hubble calculated that many of the galaxies he could observe seemed to be moving away from the Milky Way. To which conclusion did he lead?
The Universe is expanding.
Which of the following (solar system, universe, planet and galaxy) are in order from the LARGEST to the smallest?
What is universe, galaxy, solar system and planet
NASA's Dawn spacecraft was launched from Earth to study asteroids, where in the solar system is the space craft most likely located?
What is between the orbits of Mars and Jupiter
What makes up a galaxy?
What is a massive collection of our solar system orbiting a central point.
Herman saw a bright spot of flame fly through the sky and land in his backyard. When he explored he found a smoking chunk of metal the size of his fist in a small crater. What did Herman find?
(an asteroid, a comet, a meteorite or a moon)
What is a meteorite
Which statement best explains a way that the force of gravity can be increased or decreased?
What is a decrease in distance leads to an increase in the force of gravity.
The following objects (Earth, Mercury, the Moon and Saturn) in Earth's solar system range in size from very small to very large. Which object is the smallest?
What is the Moon
Which objects are most likely make up rings?
(comets, asteroids, meteorites and meteoroids)
What is a meteorite
The closest star to Earth other than the Sun is Proxima Centauri. Which of the following statements is true about Proxima Centauri?
What is its in the Milky Way Galaxy
How would someone know if a meteor has made contact with Earth?
What is a piece of space rock is discovered
The force of gravity and inertia together are responsible for?
What is orbits
Which of the following are known moons of Mars and may be captured as asteroids?
What is Phobos and Diemos
Which is another name for meteors
(comets, shooting stars, meteorites, or space fireballs)
What is meteorites
The following planets is similar to Uranus in terms of its size and mass (Mercury, Neptune, Saturn, and Jupiter)
What is Neptune
Which of the following (friction, gravity, inertia, radiation) holds billions of stars within a galaxy?
What is gravity
A student makes a model of space by stretching a plastic sheet over and embroidery hoop. The student uses marbles to represent the planets. She drops the large marble on the plastic sheet. It moves to the middle. Then she drops a smaller marble on the plastic sheet. It rolls toward the larger marble. What concept does this model best illustrate?
What is gravity governs the movement of the planets in space, much like the marbles in the model.
Why are the inner planets called terrestrial?
What is they are small and highly dense
Ptolemy and Copernicus were early astronomers. Ptolemy believed that Earth was the center of the solar system and Copernicus believed that the Sun was the center of the solar system. Which model would the astronomers most likely use to support their beliefs?
What is Ptolemy would use the geocentric model and Copernicus would use the heliocentric model.