Gravity
Alex and Sarah are in a lighthouse looking at the ocean. They see the top of a ship in the horizon. Alex walks down to the water, and Sarah stays on the lighthouse. What will either Alex or Sarah see after 5 minutes?
A. Sarah will see the ship because she is higher up and can see the curve of the Earth.
B. Alex will see the entire ship because he is closer on the ground.
C. Alex will not see the ship because the ocean is higher than land.
D. Sarah will not see the ship because she is higher off the ground and too far away.
A. Sarah will see the ship because she is higher up and can see the curve of the Earth.
Why does the sun appear to rise in the east?
A. The moons orbit around the sun.
B. The suns rotation on its axis.
C. Earths revolution around the sun.
D. The tilt of Earth on its axis.
D. The tilt of Earth on its axis.
The sun is a medium sized star, bit it looks larger than other stars that we see. Why is this?
A. The sun is larger and brighter than all the other stars.
B. The sun makes more light than other stars.
C. The sun is affected by Earth's gravity compared to other stars.
D. The sun is closer to Earth compared to other stars.
D. The sun is closer to Earth compared to other stars.
Kyla launches her toy rocket straight into the air on a day with no wind. How will gravity affect the toy rocket?
A. Gravity will have no affect on it.
B. Gravity will push the toy rocket to space.
C. Gravity will pull the toy rocket down towards the center of Earth.
D. Gravity will make the toy rocket fly level to the ground.
C. Gravity will pull the toy rocket down towards the center of Earth.
What would happen if the Earth spun on its axis slower than it does now?
A. Earth would get colder.
B. A year would be shorter than 365 days.
C. A day would be longer than 24 hours.
D. There would be 6 seasons.
C. A day would be longer than 24 hours.
What is luminosity?
A. How hot a star is.
B. The size of a star.
C. The shape of a star.
D. The brightness of a star.
D. The brightness of a star.
Which of these is an affect of gravity?
A. A tornado forming
B. A mud slide
C. A volcano erupting
D. Water evaporating
B. A mud slide
Why do the length of shadows change in a day?
A. because of the revolution of Earth around the sun.
B. because of the revolution of the moon around Earth.
C. because of the movement of stars.
D. because of the movement of the sun.
A. because of the revolution of Earth around the sun.
Why is the sun more important to Earth than other stars?
A. The sun is very large compared to other stars.
B. The sun is the hottest star.
C. The sun is closer to Earth compared to other stars.
D. The sun is the right color for living organisms, compared to other stars.
C. The sun is closer to Earth compared to other stars.
Pam throws a ball into the air in Europe. She visits the South America and throws the same ball into the air. Which describes how the ball will most likely move in both locations?
A. The ball in South America barely moved because the force of gravity is stronger there.
B. The ball moved north in Europe and south in South America.
C. The ball fell to the ground in both locations because of the force of gravity pulling things to Earth.
D. The ball floated in South America because there is a weaker force.
C. The ball fell to the ground in both locations because of the force of gravity pulling things to Earth.
How would the sun look to us if it were farther away from Earth?
A. brighter and smaller
B. dimmer and smaller
C. brighter and larger
D. dimmer and larger
B. dimmer and smaller
Why is the constellation Leo in different locations throughout the year?
A. The stars move around the sun.
B. Earth moves closer and farther away from the stars.
C. The stars move around the Earth.
D. Earth moves around the sun causing the stars to appear to move.
D. Earth moves around the sun causing the stars to appear to move.
Which of these is an example of gravity?
A. It pulls everything to the center of Earth.
B. It pulls everything to the Southern Hemisphere.
C. it pulls everything toward the North Pole.
D. it pulls everything South.
A. It pulls everything to the center of Earth.
The phases of the moon go through a pattern called a cycle. Which sentence explains this cycle?
A. The moon's size appears to change as it moves across the sky.
B. The moon's shape appears to change in a pattern.
C. The moon moves in an arc across the sky.
D. The moon looks like a circle.
B. The moon's shape appears to change in a pattern.
What characteristics makes a star?
A. light being reflected onto the star to make its light and it is made of rock.
B. Made of rock and gasses and makes it' own light.
C. Made of gasses and makes it's own light.
C. Made of gasses and makes it's own light.