Science Ch. 2 Question Preview (ID: 61967)
Science Chapter 2 Review.
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The planet we live on
a) Jupiter
b) Mars
c) Moon
d) Earth
We see other stars besides the sun when
a) The Sun turns off
b) The Earth is facing the sun
c) The Earth is facing away from the sun
d) The Earth is facing the moon
The only star in our solar system
a) leo
b) rotation
c) sun
d) gemini
Another name for the Earth spinning around and around is
a) dizzy
b) floating
c) twirling
d) rotating
It is IMPORTANT to be organized and ready during an investigation
a) True
b) False
c) Maybe
d) IDK
Why do we only see the sun sometimes.
a) It turns off
b) The Sun isn't bright enough
c) The Earth spins on its axis
d) The Earth floats away
It takes the Earth 28 hours to rotate on its axis.
a) True
b) False
c) Maybe
d) IDK
A huge object in space that gives off heat and light
a) sun
b) star
c) leo
d) gemini
Students are modeling the Earth, the Sun, and their relative motions. A basketball is used to represent the Sun, and a tennis ball is used to represent Earth. In order to accurately model the cause of day and night on the Earth, the students must –
a) lift the tennis ball off the table.
b) rotate the tennis ball on an axis.
c) rotate the basketball on an axis.
d) move the tennis ball around the basketball.
The pull between the Earth and other objects which acts even without touching
a) pattern
b) model
c) gravity
d) constellations
An arrangement of stars as seen from Earth
a) constellation
b) gravity
c) pattern
d) stars
The spinning of the earth is
a) revolution
b) rotation
c) standard time zone
d) parallel
Jerome notices that two stars appear to have the same brightness. He knows that one of the stars is much farther away than the other. What could he conclude about the two stars?
a) The one that is closer must be brighter.
b) The one that is farther away must be brighter.
c) Both stars must have the exact same actual brightness.
d) Both stars must give off the exact same amount of energy.
A student learns that the sun is classified as a medium-size star and that many stars are much bigger and brighter. However, the student observes that other stars look very dim. Why do other stars look much dimmer than the sun?
a) The sun appears yellow, which is more visible than other colors.
b) The sun is much closer to Earth than other stars are.
c) Other stars are made up of different gases than the sun is.
d) As light from other stars travels through space, it gets reflected.
Why don't you see any stars during the daytime?
a) They disappear in the day.
b) Constellations are groups of stars.
c) The moon orbits the earth.
d) Sun is closer and too bright
What causes daytime and nighttime on our planet?
a) The moon causes daytime and nighttime.
b) Earth revolving around the sun causes daytime and nighttime.
c) The rotation or spinning of Earth on its axis causes daytime and nighttime.
d) The oceans cause daytime and nighttime.
What causes daytime and nighttime on our planet?
a) The moon causes daytime and nighttime.
b) Earth revolving around the sun causes daytime and nighttime.
c) The rotation or spinning of Earth on its axis causes daytime and nighttime.
d) The oceans cause daytime and nighttime.
A pattern is...
a) something we observe to be similar over and over again.
b) a ball-shaped object
c) the distance across a circle or sphere measured from one side, through the center, to the opposite side
d) a scientist who studies stars, planets, and other objects in the universe
An astronomer is...
a) a scientist who studies stars, planets, and other objects in the universe
b) a ball-shaped object
c) the length of time it takes for Earth to orbit the sun once
d) observations or measurements recorded in an investigation
A student says she saw a shower of shooting stars. What did she probably really see?
a) She saw a meteor shower. Loose comet pieces come into contact with the atmosphere and burn up, causing streaks of light.
b) She saw stars changing positions in the sky. As they move around, they leave a trail of stardust.
c) She saw the planets. Planets are objects that change position in the sky, while stars do not change position.
d) She saw airplanes. At night, airplanes often look like streaks of light shooting across the sky.
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