5th grade science Unit 5 lesson 4

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They appear to be the same distance but they are not

Do all the stars in the constellation appear to be the same distance from earth? Are they the same distance from earth?

Makes its own light

Evidence that proves an object in space is a starwould be that it _________.

150,000,000 km from earth and only takes about eight minutes

How far is the sun from earth and how long does it take for light from the sun to reach earth?

About three minutes

How long does it take sunlight to reach the surface of mercury from the sun?

110 earths across and more than 1 million earths inside

How many earths can you line up across the width of the sun and how many earths can you fit inside the sun?

Enormous

How would you describe the distance between stars?

Yes

Is the sun a star?

1,400,000 kilometers or 869,920 miles

The sun has a diameter of about _______ km or _______ miles.

Energy

The sun makes its own ______.

99%

The sun makes up nearly ______% of the mass of our solar system.

Made of hot, glowing gases, and makes its own light

What are the properties of a star?

The size of the object and how close you are to it

What does your ideas about the size of an object depend on?

How far light travels in one earth year

What is a light year?

Space telescopes orbit above earth atmosphere

What is one advantage of space telescopes over earth based telescopes?

Distance

What is something that can affect how bright some stars appear from earth?

Mercury

What is the closest planet to the sun?

The sun

What is the closest star to earth?

Neptune

What is the farthest planet from the sun?

The sun

What is the largest object in our solar system?

A hot ball of glowing gases

What is the sun made of?

They range from small to very large

What is true of objects in space?

Saturn and it takes over an hour

What planet was discussed that is farther from the sun and how long does it take sunlight to reach this planet?

The sun's light

What provides most of the energy for earth?

A light year

What unit of measurement do scientist use to measure huge distances in space?

Reducing the size of the lenses

Which advancement helped telescopes collect more light?

They are in the distance

Which property best explains why the street lights in the back of the picture don't look as bright as the street lights in the front?

Stars are very far from earth, so large units are used to measure their distances

Why are distances to stars measured in light years instead of a from Milyer unit of distance such as kilometers or miles?

The airplane is farther away from the viewer they in the car is

Why does an airplane in the sky appear smaller than a car?

Because it is closer to earth

Why does the sun appear larger and brighter than the stars?


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