Chapter 2 Review

Tucker is observing the stars in the night sky. What do all of the stars have in common?

• All are equally bright.

• All are the same size.

• All look like five-pointed on a flag

• All look like points of light.

The science class is studying the stars in the night sky. Jade asks, "Why do the stars look smaller than the sun, the Moon, and other objects in the sky?" What is the best answer to Jade's question?

• The stars are tiny holes in the sky.

• The stars are very far away from Earth.

• The stars are very close to Earth.

• The stars are tiny objects in space.

Tags

NGSS.MS-ESS1-3

Your teacher asks the science class to describe the objects they observe in the sky. How can they describe the sun? The sun is a _________.

• Cloud

• Moon

• Star

• Earth

Your teacher asks the science class to describe the objects they observe in the sky. How can they describe the sun? The Sun emits a huge amount of light, which is a form of ______.

• Energy

• Force

• Matter

Tags

NGSS.MS-PS4-1

MJ and Jimena are making a chart about the Sun. Which statements should they include in the chart. Select TWO answer choices.

• The Sun is the closest star to Earth.

• The Sun is made of hot, burning rocks.

• The Sun emits energy in the form of electricity.

• The Sun is NOT the only star in our solar system.

• The Sun emits energy that is needed for life on Earth.

Tags

NGSS.MS-ESS1-1

NGSS.MS-LS1-6

The class compares the sun with other objects in the sky. They report that the Sun appears much larger and brighter than all other objects. Which statement best explains their comparison of the Sun with other stars.

• The Sun is the brightest star.

• The Sun is the largest star.

• The Sun is the hottest star.

• The sun is the closest star to Earth.

The girl scout troop is walking back to the campground. As they walk, they observe a tiny point of light that becomes larger as they approach it. When they arrive at the campground, they recognize a campfire as the source of light.

What do the scout troop's observations demonstrate about the Sun?

• The Sun is a ball of hot, glowing gases.

• The Sun is the largest object of the solar system.

• The Sun appears large in Earth's sky because it is close.

• The Sun appears large in Earth's sky because it is hot.

Major's mom buys the family a telescope. What can Major observe with the telescope that could NOT be observed without it?

• The brightest stars in the night sky.

• The faintest or dimmest stars in the night sky.

• the temperatures of the stars in the night sky.

• The names of the stars.

One night, Eli counts about 100 stars in the night sky. The next day in school, the science teacher suggests that Eli use a telescope to observe the sky. Eli decides to observe the same sections of the night sky he observed before.

What will Eli be able to observe by using the telescope.

• Only the same stars as before

• the same stars as before, as well as some planets

• at most one or two more stars

• Hundreds of more stars and other objects in space.

River and Laila know that sunlight brightens the land and sky. They want to demonstrate another form of energy that the Sun emits. Which of these events would be most useful for the demonstration?

• beach sand becoming hotter when the sun shines on it

• a forest becoming darker when the Sun sets in the evening

• a beam of sunlight reflecting off a mirror

• glass jewelry sparking in the sunlight

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

NGSS.MS-PS3-3