Home » August 20th, 2010 Entries posted on “August, 2010”

Blogs Due Saturday 8/28

Blogs Due Saturday 8/28

1. Name 2 new things that you have learned in science .
2. Why is the scientfic method important in science ?
3.Why is a hypothesis not just a ” guess” ?
4. Is fire living or nonliving ? Explain .
5. Why are data charts important ?

August 20th, 2010 | Posted in Blog | Read More »

Questions due Thursday 8/26th

Questions due Thursday 8/26th

Please respond to all five of the following questions:
1. List the  characteristics of life and explain the meaning of each.
2. What is the trait that improves a person’s ability to survive ?
3. Give an example of  how  two organisms are interdependant.
4. What is natural selection ?
5. What is the total magnification if the objective power is 42 [...]

August 20th, 2010 | Posted in Homework | Read More »

Vocabulary 8/23-27

Vocabulary 8/23-27

Please define the following terms and write a sentence for each term:
1. Stimulus 2. Response 3. Biology 4. Sexual Reproduction  5. Asexual Reroduction 6.Metabolism 7.Absorption 8. Biosynthesis 9. Reproduction

August 20th, 2010 | Posted in Class Work | Read More »

Waste Fat from Frying Fuels Hydrogen Economy

French fries in the deep fryer. Don't pour that dirty fat from the fryer down the sink -- it could be used to make the fuel of the future. (Credit: iStockphoto)

Don’t pour that dirty fat from the fryer down the sink — it could be used to make the fuel of the future.
Hydrogen has been tipped as a cleaner, greener alternative to fossil fuels. But scientists have struggled to find a way to make it that doesn’t consume vast amounts of energy, use [...]

August 15th, 2010 | Posted in Anatomy | Read More »

Antibiotics for the Prevention of Malaria

A Plasmodium sporozoite (infectious stage of the malaria parasite transmitted by mosquito bite) entering the first host cell in the human body, i.e. the liver cell. (Credit: Dr. Volker Brinkmann, Max Planck Institute for Infection Biology, Berlin.)

If mice are administered an antibiotic for three days and are simultaneously infected with malaria, no parasites appear in the blood and life-threatening disease is averted. In addition, the animals treated in this manner also develop robust, long-term immunity against subsequent infections.
This discovery was made by the team headed by Dr. [...]

August 15th, 2010 | Posted in Biology | Read More »

Immune System Overreaction May Enable Recurrent Urinary Tract Infections

The immune system may open the door to recurrent urinary tract infections (UTIs) by overdoing its response to an initial infection, researchers at Washington University School of Medicine in St. Louis have found.
Researchers showed in mice that severe inflammatory responses to an initial UTI cause bladder damage and allow infection to [...]

August 15th, 2010 | Posted in Biology | Read More »

Dangerous Bacterium Hosts Genetic Remnant of Life’s Distant Past

Within a dangerous stomach bacterium, Yale University researchers have discovered an ancient but functioning genetic remnant from a time before DNA existed, they report in the August 13 issue of the journal Science.
To the surprise of researchers, this RNA complex seems to play a critical role in the ability of the organism [...]

August 15th, 2010 | Posted in Biology | Read More »

Blogs Due 8/20/10

Answer three of the following blogs:
1. Would you use the spring balance of a graduated cylinder to measure liquid? Explain.
2. Would you use a thermometer or a triple beam balance to compare the mass of two mineral samples?
3. What is the difference between mass and weight?
4. Why is a hypothesis important in performing a scientific experiment.
5. [...]

August 15th, 2010 | Posted in Blog | Read More »

Science Questions Due 8/19/10

Science Questions Due 8/19/10

1. List the parts of the microscope.
2. What is the difference between a light microscope and an electron scanning microscope?
3.List the steps, in order, of the scientific method.
4. Explain the meaning of “inductive reasoning”?
5.  What is the difference between a control group and an experimental group?

August 15th, 2010 | Posted in Homework | Read More »

Vocabulary Due on 8/18/10

Define the following terms and write a sentence for each term:
Mass, weight, volume, meniscus, density, hypothesis, variable, control group, experimental group, inductive reasoning

August 15th, 2010 | Posted in Class Work | Read More »

Recently Commented

  • Shanise Moore: 1) Narcolepsy: 1- Sleep disorder that causes excessive sleepiness and daytime sleep attacks 2- victims...
  • Shanise Moore: 1) Function of the medulla is it controls involuntary actions as the heart beat, breathing, and blood...
  • Liam Glenn: 1. To create RNA. 2. To create RNA. 3. It sepereates a DNA strand. 4. mRNA. 5. It reattaches itself.
  • Liam Glenn: Transcription: 1. DNA polymerease seperates DNA at promoter point. 2. Nucleotieds attach to the DNA to...
  • Savannah Dewberry: 1. regulates vital functions 2. coordination of body 3. sends messages about smells to rest of...