Mr. DuRoss - 7th Grade Science Blog

May 11, 2012

Genetics Quiz

Accelerated classes will have a genetics quiz on Monday, regular science 7 will have the quiz on Tuesday. A hard copy of the notes and videos are posted below. For the quiz students should be able to:

Define the following word:

genotype
phenotype
dominant
recessive
hybrid
Down's Syndrome

Complete a Punnett Square and analyze the results
Create a pedigree of a family based on a written description
Interpret a karyotype diagram

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May 2, 2012

by Frank DuRoss

Frog Dissection - Science 7 and Accelerated

This week in class we completed our frog dissections. On Monday we looked at external anatomy (lab due Tuesday), on Tuesday we looked at the internal anatomy (lab due Wednesday). On Thursday we will be having a quiz on identifying the location and function of frog organs. The video below will help students review the organs. For the quiz students should be able to identify the location and function of:

Heart
Lungs
Liver
Gall Bladder
Stomach
Small Intestine
Large Intestine
Kidneys
Fat Bodies
Sperm Duct

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April 20, 2012

by Frank DuRoss

Reproductive System

This week we are finishing our human body system unit. Videos of the notes are posted below, and a hardcopy of the notes is also attached. There will be a quiz on the human reproductive system on Monday for accelerated and Tuesday for the regular 7th grade classes. For the quiz, students should be able to:

Identify the location and function of the following organs of the male reproductive system:

ureter
urethra
testes
scrotum
prostate gland
seminal vesicle

Identify the location and function of the following organs of the female reproductive system:

ovary
fallopian tube
cervix
vagina
uterus

Identify the location and function of the following organs associated with fetal development

umbilical cord
uterus
amniotic fluid
fallopian tube

Explain the development of a human from fertilization to birth including

chromosome number in gamete and embryo
identical and fraternal twins
meiosis and mitosis
organ development in the fetus

Define the following terms:

gestation
fertilization
embryo
fetus
testosterone

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March 30, 2012

by Frank DuRoss

Accelerated 7th Grade Science - 3rd Quarter Benchmark Assessment

On Tuesday we will be having our 3rd quarter benchmark assessment. The test will be scantron and cover the following objectives:

Students should be able to:

Invertebrates

Give examples of organisms with radial, bilateral and asymmetry
List the stages of metamorphosis
Label the body sections of insects
Classify examples of reproduction as asexual or sexual

Vertebrates

Identify important characteristics of the vertebrate classes including

Body temperature
Fertilization
Embryo Development
Examples

Describe the function and label the following parts of a fertilized and unfertilized bird egg:

Chalaza
Yolk Sac
Amnion
Air space

Skeletal System

Label muscle, bone, ligament and tendons
Label the following bones

Cranium
Clavicle
Humerus
Pelvis
Femur
Patella

Digestive System

Identify the function of the:

Mouth
large intestine
liver
pancreas

Endocrine System

Describe the function of the endocrine system
Recognize the glands of the endocrine system
Explain the function of lymph nodes

Excretory System

Describe the function of the ureter and kidneys

Circulatory System

Identify the following parts of the human heart

Left and right atrium and ventricle
Pulmonary artery
Pulmonary vein
Aorta
Vena cava

Match the proper antigens and antibodies for the different blood types
Identify the universal donor, recipient, and most common blood types
Identify diagrams of veins, arteries and capillaries

Heat Energy

List common temperatures in Celsius and Fahrenheit
Classify the states of matter in regards to volume and shape
Compare physical and chemical changes to matter
Describe and identify major phase changes
Explain what happens to the temperature of a substance when a phase change is taking place
Describe the effects of salt or antifreeze on the boiling and melting point of a substance
Read and interpret heating and cooling curves
Compare and describe conduction, convection and radiation
Compare heat and temperature

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March 30, 2012

by Frank DuRoss

7th Grade - 3rd Quarter Benchmark Assessment

On Tuesday next week, we will be having our 3rd quarter benchmark assessment. It will be scantron and cover the following objectives:

Invertebrates

Give examples of organisms with radial, bilateral and asymmetry
List the stages of metamorphosis
Label the body sections of insects
Classify examples of reproduction as asexual or sexual

Vertebrates

Identify important characteristics of the vertebrate classes including

Body temperature
Fertilization
Embryo Development
Examples

Describe the function and label the following parts of a fertilized and unfertilized bird egg:

Chalaza
Yolk Sac
Amnion
Air space

Skeletal System

Label muscle, bone, ligament and tendons
Label the following bones

Cranium
Clavicle
Humerus
Pelvis
Femur
Patella

Digestive System

Identify the function of the:

Mouth
large intestine
liver
pancreas

Endocrine System

Describe the function of the endocrine system
Recognize the glands of the endocrine system
Explain the function of lymph nodes

Excretory System

Describe the function of the ureter and kidneys

Circulatory System

Identify the following parts of the human heart

Left and right atrium and ventricle
Pulmonary artery
Pulmonary vein
Aorta
Vena cava

Match the proper antigens and antibodies for the different blood types
Identify the universal donor, recipient, and most common blood types
Identify diagrams of veins, arteries and capillaries

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March 26, 2012

by Frank DuRoss

Circulatory System

We are working on the circulatory system now, we are just about finished with the notes (posted below). There will be a quiz on the circulatory system on Wednesday. We will then take a couple days to review for our 3rd quarter benchmark assessment, which will be on Tuesday, April 3rd.

For the circulatory system quiz on Wednesday, students should be able to:

Identify the following parts of the heart

right and left atrium
right and left ventricle
vena cava
aorta
pulmonary vein
pulmonary artery

Compare and contrast arteries, veins and capillaries
describe the function of the parts of blood including

red blood cells
white blood cells
platelets
plasma

Label the following terms in a drawing of a capillary

oxygen
carbon dioxide
nutrients
lymph
plasma
RBC
body cells

compare the functioning of the left and right side of the human heart

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March 16, 2012

by Frank DuRoss

Accelerated and Regular - Quiz Tuesday - Digestive, Respiratory, Excretory system

There will be a quiz on Tuesday for both accelerated and regular 7th grade science. The quiz will cover three body systems, digestive, respiratory, and excretory. For the quiz students should be able to:

Label the organs of the digestive system and know their function, including:

mouth
esophagus
stomach
small intestine
large intestine
liver
gall bladder
pancreas

Label the organs of the excretory system and know their function, including:

kidneys
ureter
bladder
urethra

Label the organs of the respiratory system and know their function, including:

trachea
lungs
diaphragm
alveoli

describe the overall function of each of these body systems.

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March 13, 2012

by Frank DuRoss

Accelerated - Nervous System

This week we are finishing with the nervous system. We have completed the notes(posted below) and today we collected the data for the reaction time lab. The lab is due tomorrow. On Friday we will be reading two articles about concussions and students will be summarizing them, the summary is due on Monday. Next week we will be finishing the endocrine system and there will be a quiz Wednesday on the nervous and endocrine system.

For the quiz, students should be able to:

define the following terms

stimulus
response
involuntary
neuron
homeostasis
hormone

identify the organs of the nervous system
label a diagram of a neuron
identify the function and locations of some endocrine glands including:

pancreas
testes
ovaries

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March 8, 2012

by Frank DuRoss

Endocrine System

This week we completed the nervous system and endocrine system notes (posted below). There will be a quiz on these two systems on Friday. For the quiz students should be able to:

define the following terms

stimulus
response
involuntary
neuron
homeostasis
hormone

identify the organs of the nervous system
label a diagram of a neuron
identify the function and locations of some endocrine glands including:

pancreas
testes
ovaries

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March 6, 2012

by Frank DuRoss

Accelerated - Skeletal and Muscular System

We began our next unit last week by discussing the basics of the organization of life and the skeletal and muscular system. The videos of the notes are posted below. Today we dissected chicken wings to look at the various bones and muscle and connective tissue. The lab is due tomorrow.

There is also a quiz tomorrow on the muscular and skeletal system. For this quiz students should be able to:

list the levels of organization of the human body and give examples
identify the number of bones in a human
locate the following bones on a diagram of the human skeletal system

Cranium
Clavicle
Sternum
Humerus
Ulna
Radius
Vertebrae
Ribs
Pelvis
Femur
Patella
Tibia
Fibula

describe the function of bones, muscle, tendons and ligaments
identify examples of the 4 types of joints

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March 5, 2012

by Frank DuRoss

Nervous and Endocrine System

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March 5, 2012

by Frank DuRoss

Nervous and Endocrine System

This week we are finishing up the nervous system and then discussing the endorcrine system. There are several assignments this week:

There is a summary of the concussion articles that we read today, it is due Tuesday. It will be collected and graded
On Tuesday in class we will be collecting data for the reaction time lab. The lab is due on Wednesday
We will complete the endocrine system notes Wednesday and will have a endocrine and nervous system quiz on Friday

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February 29, 2012

by Frank DuRoss

Accelerated - Birds and Mammals

We are finishing our unit on vertebrates early this week. We are learning about bird eggs and observing some unfertilized eggs. There is homework this week, "What is an Egg?" questions are due on Tuesday, "From Egg to Chick" questions are due on Wednesday. We will complete the mammal notes on Wednesday and have a quiz on vertebrates on Thursday. Notes are posted below and for this quiz students should be able to:

Identify the process by which amphibians and reptiles breath and take in oxygen
Identify the advantages and disadvantages to being cold and warm blooded
Compare the 5 groups of vertebrates in terms of:

number of chambers in the heart
reproduction - including fertilization, development and number of eggs

Give examples and characteristics of the 3 different groups of mammals
Identify the parts and function of the fertilized and unfertilized bird egg including:

blastoderm
chalazae
air space
albumen
allantois
yolk
embryo

Identify the parts of a developing human fetus including

placenta
umbilical cord
embryo/fetus

Download file "ANIMAL Keynote hardcopy.pdf"

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February 28, 2012

by Frank DuRoss

Skeletal-Muscular System Lab and Quiz

We have finished the skeletal and muscular system. Today we looked at the anatomy of muscles and bones by dissecting chicken wings. The lab is due tomorrow. There is also a quiz tomorrow on the muscular and skeletal system. Notes are posted below.

For the quiz students should be able to:

list the levels of organization of the human body and give examples
identify the number of bones in a human
locate the following bones on a diagram of the human skeletal system

Cranium
Clavicle
Sternum
Humerus
Ulna
Radius
Vertebrae
Ribs
Pelvis
Femur
Patella
Tibia
Fibula

describe the function of bones, muscle, tendons and ligaments
identify examples of the 4 types of joints

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February 28, 2012

by Frank DuRoss

Human Body Systems - Skeletal & Muscular System

We began our human body systems unit and finished today with the skeletal system. A video of those notes is posted below:

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February 17, 2012

by Frank DuRoss

Accelerated - Fish and Amphibialns

We are working through the vertebrate unit and have completed the notes on fish, amphibians, reptiles and birds. After vacation we will be finishing by discussing bird eggs and mammals.

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February 10, 2012

by Frank DuRoss

Vertebrate Quiz

This week we are finishing the animal unit, by discussing mammals. A hard copy of the notes and video is posted below. There will be a quiz on vertebrates on Wednesday. For this quiz students should study their notes and be able to:

Identify the process by which amphibians and reptiles breath and take in oxygen
Identify the advantages and disadvantages to being cold and warm blooded
Compare the 5 groups of vertebrates in terms of:

number of chambers in the heart
reproduction - including fertilization, development and number of eggs

Give examples and characteristics of the 3 different groups of mammals
Identify the parts and function of the fertilized and unfertilized bird egg including:

blastoderm
chalazae
air space
albumen
allantois
yolk
embryo

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February 10, 2012

by Frank DuRoss

Accelerated - Heat Energy Test

We finished our unit today, with some dry-ice experimentation. There will be a test on the heat energy unit on Tuesday. Videos and hard copies of the notes are posted below. For the test students should be able to:

describe and draw a model of the 3 phases of matter
draw and read a change of state graph
define the following terms:

freezing
melting
evaporating
condensing
sublimating
thermal expansion

describe the effects of antifreeze and salt on the boiling and freezing point of a substance
compare and contrast the properties of solids, liquids and gasses
differentiate between physical and chemical changes
compare and contrast conduction, convection and radiation
compare the heat and temperature of two containers of liquid

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February 13, 2012

by Frank DuRoss

Vertebrates

This week we have been working on our vertebrate unit. We have covered fish, amphibian, reptile and birds. Students have to read an article about eggs tonight and answer one page of questions for homework, due Wednesday. Tomorrow we will be looking at some unfertilized bird eggs and then finishing up with mammals. There will be a quiz on Tuesday on all of the vertebrate notes.

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February 3, 2012

by Frank DuRoss

Accelerated - Heat Energy

This week we began our heat energy unit, we have been talking about heat vs. temperature, heat transfer, states of matter and changes of state. There is homework due tomorrow - pages 192-193. On Friday we completed the "Effects of Heat on Water" lab, students must graph their data and complete the questions for Monday.

Download file "Heat Energy Noteshardcopy.pdf"

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