Science Ch 16 Lesson 1

Question 1

What did ancient people look out for and what did it help them with?

Answer 1

Ancient people looked for patterns in the sky to help them figure out when to plant, harvest crops, when to hold festivals, or religious ceremonies

Question 2

Patterns were repeated events in the sky. Examples of these events are and what did it help ancient people develop?

Answer 2

These PATTERNED EVENTS are SEASON CHANGES, PHASES OF THE MOON AND the RISING AND SETTING OF THE SUN. These helped ancient people DEVELOP CALENDARS

Question 3

What did ancient people call an unpredictable (rare) change in the sky

Answer 3

An unpredictable change in the sky was called a solar or lunar eclipse

Question 4

What did a solar or lunar eclipse mean to ancient people?

Answer 4

It meant something bad was going to happen.

Question 5

Why did ancient people build structures?

Answer 5

Ancient people built structures to keep track of their observations in the sky.

Question 6

When and where was the El Castillo built?

Answer 6

Built in Mexico about 700 years ago

Question 7

What shadow Appears on the El Castillo and when does it occur?

Answer 7

The shadow of a snake slithering down the steps appears and it occurs every fall and spring equinox.

Question 8

People began to invent tools to help them better understand stars.
What are the 3 major tools?

Answer 8

1. ASTROLAB
2. THE SEXTANT
3. THE TELESCOPE

Question 9

Galileo was the first person to USE what tool?

Answer 9

Galileo was the first person to USE the TELESCOPE. But he DID NOT invent it.

Question 10

What could the telescope do?

Answer 10

The telescope could GATHER MORE LIGHT THAN THE EYE and ALLOWED YOU TO SEE OBJECTS THAT WERE TOO FAINT to see with your eye alone.

Question 11

What are 4 discoveries Galileo made with the telescope?

Answer 11

1. MOON HAS MOUNTAINS ON IT
2. THE SUN SPINS
3. VENUS HAS PHASES LIKE THE MOON
4. JUPITER HAS 4 MOONS AROUND IT

Question 12

who developed the REFLECTING TELESCOPE?

Answer 12

ISSAC NEWTOWN

Question 13

What does the REFLECTING TELESCOPE DO?

Answer 13

Reflecting telescopes allow people to SEE DIMMER OBJECTS FARTHER AWAY

Question 14

What are the 2 world’s largest telescopes and where are they located?

Answer 14

KECK I AND KECK II ON TOP OF A DORMANT VOLCANO

Question 15

What does the HUBBLE SPACE TELESCOPE have pictures of?

Answer 15

1. PLANETS
2. BIRTH OF NEW STARS
3. FIERY EXPLOSIONS AT THE END OF A STARS LIFE.