Tools
Scientists use many kinds of tools to investigate the world around them Which of the following best describes a tool that allows scientists to see very large objects far away such as stars, moons, and other planets?
a. A ruler
b. A telescope
c. A hand lens
d. A microscope
B. A telescope
Some constellations are visible from different places on Earth only during part of the year. Why are certain constellations not visible everywhere on Earth all year long?
a. sun's rotation
b. Earth's rotation
c. sun's revolution
d. Earth's revolution
B. Earth's revolution
The same side of the moon always faces Earth. Why is this?
a. Half the moon faces the sun.
b. The moon does not rotate like Earth does.
c. The moon's revolution and rotation are about the same length.
d. Earth blocks part of the sunlight that shines on the moon's surface.
B. The moon does not rotate like Earth does.
A fourth grader is Florida is doing an experiment in her science class. At the same time, a fourth-grader in China is getting a good night's sleep. What is responsible for it being daytime in Florida and nighttime in China?
a. Earth's rotation
b. Earth's revolution
c. moon's revolution
d. Earth's path as it orbits the sun
a. Earth's rotation
Andy looks up at the night sky. Some of the objects Andy sees in the night sky are larger and brighter than others. Which of the following is an inference Andy could make about what he sees?
a. The sky is dark.
b. The sun is not visible.
c. The objects are different sizes.
d. The brightest objects in the sky are stars.
D. The brightest objects in the sky are stars.
Which technology would help you study planets?
a. telescope
b. satellite
c. space shuttle
A. telescope
Why do you see constellations move across the night sky?
a. because stars move through space
b. because stars revolve around the sun once a day
c. because starts revolve around Earth once a day
d. because Earth rotates once a day
D. Earth rotates once a day
What is the main source of the moon's light?
a. Earth
b. the sun
c. the moon
d. the stars
B. the sun
Earth rotates
a. around the sun
b. on its axis
c. around the moon
d. once each year
B. on its axis
Tyler, Sam, and Jayden collected temperature data at the same place on the playground. Each student used a different thermometer. Which of the following most likely describes the data they collected?
a. The data would be exactly the same because they are in the same class.
b. The data would be completely different because the students are different people.
c. The data would be slightly different because the students used different thermometers.
d. The data would be exactly the same because the three students made the same hypothesis.
C. The data would be slightly different because the students used different thermometers.
What is a true statement about the moon?
a. The moon always blocks the light of some stars.
b. The moon makes its own light.
c. The moon reflects the light of the sun.
C. The moon reflects the light of the sun.
Which is TRUE about constellations?
a. It is a group of stars that form a pattern.
b. It is a star that is far away.
c. It appears to stay in the same place every night.
d. It revolves around Earth.
a. It is a group of stars that form a pattern.
What causes the position of the sun in the sky to change during the day?
a. The sun moves around Earth.
b. The sun shines on the moon.
c. Earth revolves around the sun.
d. Earth rotates on its axis.
D. Earth rotates on its axis
How long does Earth take to rotate once?
a. 12 hours
b. 20 hours
c. 24 hours
d. 26 hours
C. 24 hours
Nathan sees three bright stars in the night sky. Later that same night, Nathan notices that the stars are no longer in the same place. What explains the change he observes in the night sky?
a. The stars have moved farther away from Earth.
b. The moon is revolving around the sun.
c. Earth is rotating on its axis.
C. Earth is rotating on its axis.
If Ulysses keeps a picture journal of the shapes of the moon every night for six months, what will he find?
a. There are more full moons than any other shape of the moon.
b. The shapes of the moon always occur in the same order.
c. There are only two shapes of the moon that can be seen at night.
B. The shapes of the moon occur in the same order.
Which might you see only during certain seasons of the year?
a. the sun
b. the moon
c. a constellation
d. the night sky
C. a constellation
Stars seem to move across the night sky because
a. Earth rotates every 24 hours
b. Earth revolves around the sun
c. stars rotate every 24 hours
d. stars move very fast
a. Earth rotates every 24 hours
Earth revolves
a. in a path around the sun.
b. in a path around the moon.
c. on its axis once a year.
d. on its axis once a day.
A. in a path around the sun
A fourth grade classroom was conducting an experiment of how the Earth moves in space. They used a soccer ball, a tennis ball, and a ping pong ball to represent the sun, Earth, and moon. Why do you think the balls in this investigation are different sizes?
a. The teacher had nothing else to use.
b. The sun, Earth, and moon aren't the same size in the real world.
c. The moon is the biggest of the three.
d. The Earth is the smallest of the three.
B. The sun, Earth, and moon aren't the same size in the real world.
Jamal wants to show Amy what happens during one Earth day. Jamal holds a small globe representing Earth, and Amy hold a large ball representing the Sun. What should Jamal do to show Amy what happens during one Earth day?
a. Jamal should move the globe in one complete circle around Amy.
b. Jamal should move the globe toward Amy and then away from her.
c. Jamal should slowly spin the globe one complete time about its axis.
C. Jamal should slowly spin the globe one complete time about its axis.
How do constellations seem to move in the night sky?
a. They seem to move from east to west.
b. They seem to stay in the same place all night.
c. They seem to move in circles around the night sky.
d. The patterns seem to change as the constellations move.
A. They seem to move from east to west.
What causes day and night on Earth?
a. The sun rises in the east and sets in the west.
b. The sun moves around Earth.
c. Earth revolves around the sun.
d. Earth rotates on its axis.
D. Earth rotates on its axis.
Which BEST describes how Earth, the sun, and the moon move?
a. The sun revolves around Earth.
b. The sun and the moon revolve around Earth.
c. Earth revolves around the sun, and the moon revolves around Earth.
d. Earth revolves around the moon, and the sun revolves around Earth.
C. Earth revolves around the sun, and the moon revolves around Earth.
Think about the movements made by the soccer ball (sun), tennis ball (Earth), and ping pong ball (moon). How do these model the way Earth moves in space?
a. The moon revolves around the Earth while Earth revolves around the sun.
b. The moon revolves around the Earth while Earth revolves around the moon.
c. The moon revolves around the sun while the sun revolves around the Earth.
A. The moon revolves around the Earth while Earth revolves around the sun.