Chapter 3 - Earth's Systems Practice

Which example is NOT a description or example of organic compounds?

• molecules that contain carbon

• the building blocks of life

• carbohydrates, fats, proteins, and DNA

• water, salt, hydrochloric acid

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

NGSS.MS-PS1-1

Match each macromolecule to its function:

Groups:

(a) Carbohydrates

,

(b) Lipids

,

(c) Proteins

,

(d) Nucleic Acids

• sugars provide energy to cells

• 
• 
• plants store starch in cells

• 
• store energy for long-term use

• store and transmit genetic information

• enzymes speed up chemical reactions

• 
• component of muscle tissue

• make up cell membranes

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Water is essential to life. What is the normal pH of water?

• around neutral = 7

• slightly acidic

  pH = 5-6

• slightly basic

  pH = 8-9

• very acidic

  pH = 2-3

Tags

NGSS.MS-ESS2-4

When faced with change, negative feedback loops ​ (a)   natural systems while positive feedback loops ​ (b)   change.

• stabilize
• amplify
• decrease

Polar amplification of global warming is an example of a

• positive feedback loop

• negative feedback loop

Tags

NGSS.MS-ESS3-5

Organisms maintain homeostasis using

• Positive feedback loops

• Negative feedback loops

Tags

NGSS.HS-LS1-3

NGSS.HS-LS1-7

Label the layers of the earth shown in the diagram.

a

b

c

d

mantle

outer core

inner core

crust

Match the tectonic plate boundaries to their action:

• Convergent boundaries

• Formation of new crust, mid-ocean ridges, and rift valleys

• Divergent boundaries

• Commonly a site of earthquakes and fault lines

• Transform boundaries

• Formation of mountains and deep sea trenches

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

The Great Rift Valley in Africa is an example of a what plate boundary?

• Convergent

• Divergent

• Transform

Tags

NGSS.MS-ESS2-2

The Himalayan mountains, Andes, and Alps are examples of what type of plate boundary?

• Divergent

• Convergent

• Transform

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2