Birth of Rocks Study Guide

Why are rocks jagged at the top of a mountain, but rounded at the bottom?

• They do not become round at the bottom

• They are round at the top and jagged at the bottom

• As rocks fall, sharp edges get chipped off making it rounder

• They change in mid air

Tags

NGSS.MS-ESS2-2

Why do engineers brainstorm ideas?

• They brainstorm ideas so that they can find the best idea to use in their designs.

• They brainstorm ideas to avoid working in teams.

• They brainstorm ideas to make their work more difficult.

• They brainstorm ideas to ignore possible solutions.

Tags

NGSS.MS-ETS1-1

Which of these is NOT a cause of landslides?

• slope more than 35 degrees

• loose rocks

• slope less that 35 degrees

• rainfall

Volcanoes always occur in clusters or groups.

• True

• False

Volcanoes can be extinct.

• True

• False

A landslide is one example of a natural hazard.

• True

• False

Tags

NGSS.MS-ESS3-2

When water gets cold, it contracts (gets smaller).

• True

• False

Tags

NGSS.MS-PS1-4

Mountains last forever.

• True

• False

Cone or Shield Volcano: The kind of mountain that explodes.

• cone

• shield

The kind of mountain that erupts gently.

• cone

• shield