Review

Natalia is looking at two stars in the night sky. She knows that both stars are the same size. How can she tell which star is closest to Earth?

• Use a telescope to measure how far each star is.

• The star that is the brightest is the closest.

• If the stars are the same size then must also be the same distance from Earth.

• Measure how high in the sky each star is.

What is the name for a tool that makes faraway objects in the night sky appear closer and larger?

• Telescope

• Hand Lens

• Microscope

• Magnet

Heidi is looking at stars with a telescope on a clear night. She notices that she can see many more stars in the same part of the sky when she looks through the telescope than when she looks just with her eyes. Which claim explains why she can see more stars with a telescope?

• The telescope creates more light to make the stars easier to see.

• The telescope causes the dimmer stars to give off more light energy.

• The telescope lets her see through clouds that block the light coming from stars.

• The telescope will magnify the light of dimmer stars that she cannot see without the telescope.

Sara was looking at stars in the night sky while on a camping trip with her family. Her mother brought a telescope and they used it to look at stars together. How will the night sky look different to Sara and her mother through the telescope as compared to looking only with their eyes?

• The stars will appear to be farther away.

• Most of the stars will seem to be much smaller.

• They will be able to see many more stars.

• Stars that looked red will now seem to be blue in color.

Andy and Ryan enjoy looking at the stars at night when they go to their grandparents’ farm out in the country. They can see so many stars out there! Andy and Ryan are trying to come up with one thing that is true for all the stars they see. What is true about all the stars that Andy and Ryan can see in the night sky?

• They are all the same brightness.

• They are all the same size.

• They are all smaller than Earth.

• They are all farther away than the Sun.

What do organisms need to survive?

• Food, water, shelter, and air.

• Food and Air

• Water and Air

• Trees and Air

Tags

NGSS.4-LS1-1

NGSS.5-LS1-1

Which of the following correctly shows how energy moves through a food chain?

• Sun → plants → plant eaters → meat eaters

• Sun → meat eaters → plants → plant eaters

• Sun → plant eaters → meat eaters → plants

• Sun → plants → meat eaters → plant eaters

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which of the following things in an ocean ecosystem makes its own food from sunlight?

• Octopus

• Algae

• Shrimp

• Stingray

Tags

NGSS.MS-LS1-6

In this diagram below, which organism would have the MOST impact if removed from the food chain?

• Snake

• Hawk

• Mouse

• Plants

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which description best describes how energy flows in a food chain?

• From plant to Sun

• From cricket to frog

• From frog to plant

• From snake to cricke

Tags

NGSS.MS-LS2-3