Unit 1 : Patterns of Earth and Sky

Question 1

constellation

Answer 1

an arrangement of stars as seen from Earth

Question 2

pattern

Answer 2

something we observe to be similar over and over again

Question 3

day

Answer 3

a period of time that is 24 hours long and includes daytime and nighttime

Question 4

rotate

Answer 4

to spin on an axis

Question 5

gravity

Answer 5

the pull between Earth and other objects, and it acts even without touching

Question 6

astronomer

Answer 6

a scientist who studies stars, planets, and other objects in the sky

Question 7

archaeologist

Answer 7

scientists who study people and cultures from long time ago

Question 8

star

Answer 8

a huge object that gives off heat and light

Question 9

artifact

Answer 9

an object made by a human being, typically an item of cultural or historical interest

Question 10

visualize

Answer 10

to make a picture in your head using information from different sources

Question 11

sun

Answer 11

the only star in our solar system

Question 12

solar system

Answer 12

the sun, the planets that orbit the sun and other objects that orbit the sun

Question 13

investigation

Answer 13

an attempt to find out about something

Question 14

data

Answer 14

the observations or measurements recorded in an investigation

Question 15

claim

Answer 15

a proposed answer to a question about the natural world

Question 16

evidence

Answer 16

information that supports or backs up an answer

Question 17

reasoning

Answer 17

the process of making clear how your evidence supports your claim