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Riddles - Solar System Formation

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About this activity

Vocabulary clues

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Viet Nam

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Riddles - Solar System Formation
 

Riddles - Solar System FormationOnline version

Vocabulary clues

by Luce
1

I am a cloud of gas and dust in space.

Hints

IPA: /ˈnebjələ/

Example: The solar system began as a nebula.

Definition: A cloud of gas and dust in space.

2

I fall inward or get smaller as I shrink.

Hints

IPA: /kəˈlæps/

Example: The cloud began to collapse.

Definition: To fall inward or become smaller.

3

A force that pulls things together.

Hints

IPA: /ˈɡrævəti/

Example: Gravity pulled gas and dust inward.

Definition: A force that pulls things together.

4

Toward the inside or center.

Hints

IPA: /ˈɪnwərd/

Example: Matter moved inward because of gravity.

Definition: Toward the inside or center.

5

Having a lot of matter in a small space.

Hints

IPA: /dens/

Example: The center became hot and dense.

Definition: Having a lot of matter in a small space.

6

A flat, round shape.

Hints

IPA: /dɪsk/

Example: The spinning matter formed a disk.

Definition: A flat, round shape.

7

To become flat or make something flat.

Hints

IPA: /ˈflætən/

Example: The spinning cloud began to flatten.

Definition: To become flat or make something flat.

8

The process where small pieces stick together and grow.

Hints

IPA: /əˈkriːʃən/

Example: Accretion helped build planets.

Definition: The process where small pieces stick together and grow.

9

A small rocky or icy body that can grow into a planet.

Hints

IPA: /ˌplænəˈtesɪməl/

Example: Planetesimals joined together over time.

Definition: A small rocky or icy body that can grow into a planet.

10

Related to the early stage of planet formation.

Hints

IPA: /ˌproʊtoʊˈplænətəri/

Example: A protoplanetary disk formed around the young Sun.

Definition: Related to the early stage of planet formation.

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