Thursday, January 19, 2012

Science

*Turn in Section Assessment.
**Answers to Section Assessment are posted in Wednesday, 1/18/12 post.

Key Terms: (pp. 497)  http://s.tudy.it/tw37k4
estimate
birth rate
immigration
emigration
population density
limiting factor
carrying capacity

Studying Populations: Chapter 15, Section 2

1.  A vegetable garden is 12 meters long by 7 meters wide.  In one square meter, you count two toads.  Estimate the population of toads in the garden.

2.  What are two ways that the size of a population can increase?  What are two ways that the size of a population can decrease?

3.  Over which  time period(s) did the squirrel population decrase?

4.  Over which time period(s) did the population increase?

5.  In which year did the population reach its lowest point?  What was the size of the population that year? 

6.  What causes a population to change in size?

7.  Identify three limiting factors that can prevent a population from increasing.  Explain how each factor limits a population's size.

Building Vocabulary

8.  population density

9.  carrying capacity

10.  immigration

R180

Language Arts

Interjections: Review Study Guide

1.  An interjection is a word or group of words that expresses strong feeling or emotion.

2.  Use a comma after a mild interjection.

3.  Use an exclamation mark after an interjection that expresses very strong feeling.

4.  When an exclamatory mark (!) comes after an interjection, the next word in the sentence begins with a capital letter.  In this way the interjection is is set off from the rest of the sentence.

Math

Resouce
 
Bellringer: (Prefixes, Suffixes, & Roots, pp. 52)

The root word tract means "to pull or move."  Many words are formed from this root word.  Study the following prefixes that can be added to the root word tract to form new words:

Prefix + Meaning                            Prefix  +  Meaning 
at-         to go to                              ex-          out
con-      together/ with                      pro-        forward
de-        from/ of                              re-          back, again
dis-        away                                 sub-         below, under

Directions:  Using this information, write defintion for the wordson the lines.  You may use a dictionary to check your answers.

1.  attract: ________________________________________________________________________

2.  detract: _______________________________________________________________________

3.  extract: ________________________________________________________________________