Houghton Mifflin Science Grade 4 Chapter 9
Managing Earth's Resources
Terms in this set (...)
A Material found on earth that can be used by people. Trees, Soil, Minerals
A material that can't be replaced for thousands or millions of years once it has been used up.
Natural resource that can be replaced or can replace or renew itself. Water and Air
The process which liquid water changes to water vapor
Process which water vapor turns back into liquid water.
Water that falls to the earth. rain, snow, sleet, hail.
NON RENEWAL RESOURCE. These products are formed from the remains of ancient plants and animals. Oil, natural gas, coal.
Adding of harmful materials to the air, water, and soil. Burning fossil fuels releases this.
A Material made up of decayed plant and animal matter. Rich soil contains this product
A Cross section of soil that shows the different layers in soil.
The upper layer of soil that contains minerals and humus.
A material that causes pollution.
The preserving and wise use of natural resources.
A product that breaks down easily in the environment. Paper products, tissues, brown paper bags
Houghton Mifflin 4th Grade Science Chapter 9
CHAPTER 9 Science
Science cards 1
Hooray! B4 U2 p20
Hooray! B4 U2 p19
Houghton Mifflin Science Grade 4 Chapter 8
Houghton Mifflin Science Grade 4 Chapter 2 (I)