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29 Cards in this Set
- Front
- Back
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What is Sputnik 1? |
To be the first artificial Earth satellite in space. Began the space race with Russia. |
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What is Sputnik 2? |
The second satellite into space and it carried the first living animal, a dog named Laika. |
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What is Explorer 1? |
The first U.S satellite into space. |
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What is Apollo 1? |
It was suppose to be the first lunar landing, but it never made it off of the launch pad because there was an electrical fire in the hatch and all of the crew members died. |
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What is Apollo 11? |
The first lunar landing on the moon. On July 12, 1969 |
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What is Apollo 13? |
They were going to land on the moon, but an oxygen explosion caused them to head back to Earth. |
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What was the Challenger? |
A spacecraft that had the first real citizen on it. A teacher named Christa McAuliffe. The spacecraft exploded while trying to leave the atmosphere and killed all crew members. |
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What is a solar eclipse? |
When the moon blocks the Earth from the sun. |
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What is a lunar eclipse? |
When the Earth blocks the moon from the sun. |
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What causes tides? |
The differences in the moon's gravitational pull on the Earth. |
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what are phases of the moon? |
The different shapes of the moon visible from Earth |
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What causes phases? |
Phases are caused by the changes in the relative positions of the moon, sun, and Earth as the moon revolves around the Earth. |
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When does a full moon occur? |
29.5 days |
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What is a Maria? |
Maria is the big dark spots on the moon, that Galieo thought were oceans. Maria means sea in latin. |
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Why do we have seasons? |
Because the Earth is tilted on it's axis. |
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What was the name of the female school teacher that was going to go into space? |
Christa McAuliffe |
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Who was the first U.S citizen to go into space? |
Alan Shepard |
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What was Jupiter AM 18? |
It was to send monkeys into space. |
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What is Geocentric? What is Heliocentric? |
Geocentric is when the Earth is in the center of the Solar System. Heliocentric is when the Sun is in the center of the Solar System. |
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Why does the moon have no atmosphere? |
Because it doesn't have enough gravity. It has 1/6 of Earth's gravity. |
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What is the order of the planets? |
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto |
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What planet has the largest diameter? |
Jupiter |
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Why does Mercury have no atmosphere? |
Because it is too hot. |
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Where are most of the asteroid located? |
They are located in the Asteroid Belt, between Mars and Jupiter. |
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What is another name for Newton's first Law? |
The Law of Inertia |
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What formed our Solar System? |
Solar Nebula. |
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What is the First Law? |
An object at rest, will remain at rest. An object in motion will remain in motion unless acted upon by an outside, unbalanced force. |
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What is the Second Law? |
Force= Mass x Acceleration |
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What is the Third Law? |
For every reaction there is an equal and opposite reaction. |
