Gravity
Which explains how gravity works to assist the flight of a plane?
A. It pushes up on the wings
B. It helps move the plane forward as it speeds up
C. It pushes the airplane from all directions to keep it in the air
D. It pulls the airplane down when the engine slows down
D. Gravity always pulls down.
Earth completes one full _____ on its axis every 24 hours
A. rotation
B. revolution
C. resolution
D. reservation
A. rotation
Which of the following describes a planet?
A. a swirling ball of gases
B. a star
C. a huge ball made out of rock
D. a large object that orbits a star
D. a large object that orbits a star
Which of these produce their own light and heat?
A. planets
B. stars
B. stars
Which would be the most likely outcome of a meteorite's encounter with Earth?
A. It would orbit around Earth.
B. It would fly past Earth.
C. It would hit Earth and make a crater.
D. It would burn up in the atmosphere.
C. Remember, meteors burn up, they're only called meteorites if they hit.
Earth completes one full _____ around the sun every 365 1/4 days.
A. rotation
B. revolution
C. resolution
D. reservation
B. revolution
A _____ contains billions of stars, dust, and gas that are all held together by gravity.
A. planet
B. star
C. moon
D. galaxy
D. galaxy
Which of these statements best explains why some stars appear brighter than others?
A. Some stars absorb more energy from the Sun.
B. Some stars are closer to Earth than others.
C. Some stars are closer to the Moon than others.
D. Some stars have a better position in the sky.
B. The closer a light source is, the brighter it looks
Juanita is standing on the ground at the North Pole. Clara is standing on the ground at the South Pole. Explain how both can stand with their feet on the ground.
Gravity pulls toward the center of the Earth. So, no matter where on Earth you are, it will always hold you to the ground.
Which would happen if the Earth was not tilted toward or away from the sun?
A. Daylight would last all day.
B. Darkness would last all day.
C. Days would be much longer and nights would be shorter.
D. Day and night would be about equal in length.
D. Day and night would be about equal
Stars appear in the night sky at different times of the year because of Earth's _____.
A. rotation
B. revolution
VY Canis Majoris is the largest known star in the galaxy. It is a thousand times bigger and brighter than the Sun. Why doesn't VY Canis Majoris appear brighter than the Sun to us?
A. It is much farther away from Earth.
B. It is only visible in the Southern Hemisphere
C. It can only be seen from the Moon.
D. It can only be seen during rare astronomical events.
A. Even though it burns much brighter, it is a lot farther away than our Sun.
Do Earth's Water levels rise or fall on the side facing the moon? What is this called?
They rise, and this is called tides.
What do we experience because of the tilt of the Earth's axis?
seasons
Which planet would you expect to have a longer year?
A. a planet close to the sun, like Mercury
B. a planet far from the sun, like Neptune
B. a planet farther from the sun has to follow a longer orbit, making its year much longer
The big dipper is one example of a _____.
A. convection
B. constellation
C. conflagration
D. communication
B. constellation
The moon's gravity is much weaker than the Earth's, so Simon's mass isn't pulled down as hard on the moon as it is on Earth.
Your shadow would get shorter until around noon, then get longer until the sun set.
This is the word we use to talk about "everything that exists"
universe
What causes stars to burn different colors? What makes stars red, yellow, orange, blue, or white?
temperature, how hot they burn