Test Reminder

Hello Everyone,

This is just a reminder that our next Gold Test is Wednesday, May 3rd, and will cover the following topics:

 

Gregor Mendel’s Genetic Experiments

Genetics Notes

Punnet Squares

Pedigree Charts

 

Please let me know if you have specific questions or may need me to help your son/daughter one on one.

 

Thanks,

Mrs. McGrew

3rd Nine Weeks Exam Study Guide

Hello Everyone,

 

In addition to providing study guide answers in class, I informed all classes study guide answers would be available on the blog.  Let me know if you have additional questions. Our end of the nine week’s exam is Tuesday March 7th, 2017.

3rd Nine Weeks Study Guide-Answers

 

 

  1. What are fossils?
  the preserved remains or traces of organisms that lived in the past

 

 

  1. What evidence suggests that the ancestors of whales once walked on land?
  Scientists have found fossils of whale like creatures that had legs.

 

 

  1. Why do scientists think related species have similar body structures and development patterns?
  The species inherited many of the same genes from a common ancestor.

 

 

  1. When sex cells combine to produce offspring, each sex cell will contribute
  half the number of chromosomes in body cells.

 

 

  1. What determines the genetic code?
  the order of nitrogen bases along a gene

 

 

  1. What do transfer RNA molecules do during protein synthesis?
  carry amino acids and add them to the growing protein

 

 

  1. What is a mutation?
  any change in a gene or chromosome

 

 

  1. Where does protein synthesis take place?
  on the ribosomes in the cytoplasm of the cell

 

 

  1. What produces egg and sperm cells during the life cycle of a plant?
  gametophyte

 

 

  1. Root hairs help a plant
  absorb water and nutrients.

 

 

  1. Why do hormones cause changes only in specific body organs?
  A hormone interacts only with target cells, which fit together with that hormone.

 

 

  1. Where does a fertilized egg develop after it leaves the fallopian tube?
in the uterus

 

 

  1. A mature egg is released from the ovary during a process called
  ovulation.

 

 

  1. In a female’s body, an egg develops in an ovary, and the uterus prepares for the arrival of a fertilized egg during
  the menstrual cycle.

 

 

  1. Which of the following describes the first nine months of human development in the correct order?
  zygote, embryo, fetus
  1. Nutrients from the mother pass to the developing embryo through a membrane called the
  placenta.

 

  1. What happens during the stage of childbirth called labor?
  Strong muscle contractions of the uterus cause the cervix to enlarge.

 

 

  1. What happens during the stage of childbirth called delivery?
  A baby comes out of the mother’s body.

 

 

  1. The endocrine system acts on the body through chemical products called
  hormones

 

 

  1. Which endocrine gland(s) link(s) the endocrine system and the nervous system?
  hypothalamus

 

 

  1. Which endocrine gland(s) communicate(s) with the hypothalamus to control many body activities, including growth from infancy to adulthood?
  pituitary gland

 

 

  1. When a human egg is not fertilized, extra blood and tissue from the uterus are released through the vagina in a process called
  menstruation.

 

MODIFIED TRUE/FALSE

 

  1. F, half

 

  1. T

 

  1. F, Messenger

 

  1. T

 

  1. F, Fraternal

 

COMPLETION

 

  1. ancestor

 

  1. bases

 

  1. amino acid

 

  1. Transfer

 

  1. ACUC

 

  1. parathyroid

 

  1. homeostasis

 

  1. egg

 

  1. menstrual

 

  1. zygote

 

  1. infancy

 

  1. testosterone

 

  1. testes

 

  1. mental

 

SHORT ANSWER

 

  1. E is a ribosome. It is the site where proteins are made.

 

  1. The bases that pair with A-G-U are U-C-A.

 

  1. A different amino acid might be produced, which might affect the structure and function of the protein.

 

  1. Structure C is a stigma, Structure D is a style, and Structure E is an ovary. They are female reproductive structures.

 

  1. Pollen grains attach to Structure C, the stigma. The stickiness of the stigma holds the pollen grains.

 

  1. The thyroid gland stops producing the hormone thyroxine.

 

Thanks,

Mrs. McGrew

Evolution/Fossils Test (Gold)

Hi Everyone,

I just would like to provide notice of our next gold test that is scheduled for Wednesday February 1st, 2017.  Students may refer to the list of topics and activities below to prepare for the test.

 

  • 7.15 Content Connections Video and questions titled “Fossil Evidence” in the online textbook (StemScopes). All students were issued access to the book in November.
  • 7.15 StemScopedia
  • Rat/Elephant Ancestor? Activity
  • Dog/Horse Skeleton Sort Activity
  • 7.16 StemScopedia
  • Cladograms Group Activity
  • All bellringers beginning on January 17th, 2017

 

Thanks,

Mrs. McGrew

Gold Tests

Hi Everyone,

Welcome back and I hope everyone enjoyed themselves over the Thanksgiving Break.  I just would like to remind you all about our upcoming gold tests. Our next Gold Test is Tuesday December 6th and will cover the following topics: Cell Theory ( be able to describe and explain all three parts, Prokaryotic and Eukaryotic Cells,  Cell structures and functions and the Microscope.  Please use information recorded in the notebook AND the new book as resources when studying. Our new online book has great information and resources such has picture vocabulary cards and informational texts about the topics listed above.

Our 2nd Nine Weeks Exam is also scheduled for Tuesday December 13th, 2016 and will accompany a study guide. Study Guides will go home next Thursday or Friday.

Sincerely,

Mrs. McGrew

Cardiovascular, Circulatory, Red and White Blood Cells Test

Hi Everyone,

Hopefully you guys are working on completing your lab reports (gold grade) that are due by tonight at 11:59 pm. All classes did an amazing job with the lab and I believe they thoroughly enjoyed it ( minus the smell).

Our next gold test is this Thursday and will cover the following topics:

Heart Structures and Functions

Blood Flow through the heart

Blood Pressure

Functions/ Purpose of the Circulatory System ( heart, capillaries, veins, blood, etc)

Red Blood Cells ( including notes on blood types, antigens, antibodies, what blood types can receive blood from one another and why)

White blood cells types and functions

 

We Heart KaHoot/ Quiz Topics

Hello to All,

 

As you can see, we thoroughly enjoyed Kahoot today in preparation for Monday’s quiz.  Students should be able to label all structures, explain the steps of blood flow through the heart, and color code structures and high in oxygen content or low in oxygen content. 20161014_094243

 

Have a Great Weekend,

Mrs. McGrew

Skeletal Quiz & other Important Dates/Information

Hello Parents and Students,

The end of the first grading period is approaching quickly and I would like to provide you all with some important information.  Our next quiz is this Thursday September 29th , 2016 and will cover the following topics:  the three types of bones, axial and appendicular skeleton,  function of bones, and types of joints.

1st Nine Weeks Exam Study Guide- Will go home Thursday September 29th, 2016.

Bone and Muscle Dissection Lab- Friday September 30th, 2016; please dress appropriately. You are welcome to bring your own goggles however: I have plenty for students to use.

Dissection Lab Report (Gold Grade)- Will be very brief and completed in class on Monday and Tuesday of next week.  Due date is Tuesday October 4th, 2016

1st Nine Weeks Exam (Gold Grade)- Thursday October 6th, 2016; will be very similar to study guide!

 

Image result for fall pumpkins

 

Mrs. McGrew

Welcome to 7th Grade Life Science