Tuesday, March 14, 2017

Science Fair

Click on this link for a list of projects that are great for 7th graders to do at home.

Remember!  You are doing a controlled experiment.  That means you must test the effect of changing a variable to see what happens.  You need to measure what happens to the dependent variable.

Here are the steps you need to follow in order to complete a successful science fair project:

1. Submit your project idea to Ms. Moore.  You need to have verbal or emailed/texted confirmation that your topic is acceptable for our science fair.  The basic guidelines are that you must be conducting an experiment with one variable.  You may not conduct tests that harm vertebrate animals, including humans, or have the potential to be destructive in a way that your parents wouldn't approve.

2. Find a place to keep your written project information.  Before setting up your experiment you need to write down a few things:
  • The question you are trying to answer.  Remember, if you already know the answer, choose a different topic.  Science is about finding out things we didn't know before and then trying to find an explanation.  Example: The question I'm trying to answer is "What is the effect of major brands of detergent on chocolate stains?"
  • Your hypothesis.  What do you think will happen?  Example: If Tide is the strongest detergent, then there will be the least amount of chocolate stain remaining.
  • A plan.  If you're using a plan from the internet, print it out or write down a set of procedures that you're going to follow.  If you make changes to the procedures as you work, revise your written plan.  More on the plan in the 'Set up your experiment' section below.
  • A data table.  You are required to do an experiment that results in measuring something.  Before you test any factors you need to have a place where you will write down the measurements.  
3. Do some background research.  Search on Google and see what other people have done related to your experiment.  Other middle school science fair sites are good, and any link ending in .edu or .org will be fine.  Ignore Yahoo answers and rando blogs.  If you have questions, google them or text Ms. Moore at 410-703-6387 (bedtime is 11:00 for me, and you should be asleep by then as well).  Or just ask me at school.

4. Gather your materials.

5. Set up your experiment.
  • You must conduct multiple trials.  Scientists who are paid to do science conduct thousands of trials!  Choose a number bigger than 3 that makes sense for your materials.  Make sure you know what your independent variable is...it's the ONE thing you'll change each time you do your experiment.  Example:  I put chocolate stains in 10 different places on a cotton T-shirt.  I wash that T-shirt in Tide detergent.  Then I put chocolate stains in 10 different places on another cotton T-shirt and wash that one in Wisk detergent.  I could use a third shirt with new stains an another brand of detergent.  Then I would have 10 trials for each detergent.   
  • Constants are the factors that must stay the same.  Example: Every time I wash a new T-shirt with a different detergent, I need to make sure I'm using the same temperature water, the same brand of chocolate, same amount of chocolate, same amount of detergent, same length of washing.
  •  MEASURE THE OUTCOME and write down the results in your data table.  If you don't measure what happened in your experiment, what's the point?  You need to have numbers to back up your conclusion.  Example: On a scale of 0-10 (0=no stain, 10=stain didn't change), the Tide removed the chocolate stains so they were all between 2 and 3, Wisk resulted in stains that were between 4 and 6, and the generic brand resulted in stains that were 7-8.
6. Analyze your data.  What did the numbers show?  Find the averages.  Create a graph.  Show your results in some way.  A data table is not a graph.

7. Write a conclusion.  More on this as we get closer to the fair.

Tuesday, December 20, 2016

Winter Break Homework

Follow these steps to complete the winter break homework:

Day 1: 30-40 minutes

1. Make sure you have your bubble answer sheet ready.  You can email Ms. Moore for a copy of your answer sheet.  (kmoore@cpcsschool.org)  If you lost your answer sheet and need a new one you will forfeit your homework pass.

2. Click on this link for the practice test.

3. Skim through the whole test.

4. Choose 10 questions you know the answers to right away.  Answer these questions on your bubble sheet and put a star by those 10 answers. 

Day 2: 30-40 minutes

Answer 20 more questions you know for sure.  Continue to draw a star next to any questions you are certain you know.  You can use the internet and other resources to help you answer questions.  If you look up an answer online be sure to write "I" next to the answer to show you got help on that question.

Day 3: 20-30 minutes

Answer 15 more questions.  Use the internet or a dictionary as a reference to help you with vocabulary that is challenging.  Take an educated guess about questions you don't know.

Day 4: 30-40 minutes

Complete the rest of the questions.  Enjoy the rest of your break!

Tuesday, November 22, 2016

Unit 2: Dynamic Equilibrium: Other Organisms

Unit 2: November 22-February 1

Homework Links

PROJECT: Click here for animal phylum choices. 

PROJECT: Click here for research website.

Choose an invertebrate animal for your project and then click here: 
Animal Phylum Project Link

OWL PELLET LAB: Click here for the online lab

"Other Organisms" refers to living things that are not humans.  In Unit 2 we examine how other living things are similar to and different from humans.
  • Unit 2 Introduction: What characteristics do all living things share?  The picture shows the notes from an ongoing discussion about living things.  This is a list of characteristics all living things share:
    • Made of cells
    • Take in energy
    • Use energy
    • Exchange gases
    • Reproduce
    • Contain DNA
    • Contain water
    • Go through a life cycle 
  • Animals: move at some point, eat food, digest food, are made of many cells
    • Invertebrates - animals with no bones (35 groups)
    • Chordates - includes Vertebrates - animals with bones (5 groups)
  • Plants 
    • Characteristics
    • Classification

Wednesday, November 16, 2016


UNIT 1 EXAM: Friday, November 18

Interactive Game for Human Organs

Put the man back together!

Topics to study for Unit 1 Exam:

EXCRETORY / URINARY SYSTEM - Watch the VIDEO we watched in class about Iyanti Browne on dialysis.

Parts of the Urinary system:
  • Kidneys - filter the blood
  • Ureters - tubes from the kidneys to the bladder
  • Bladder - muscular bag that holds urine
  • Urethra - tube that passes urine from bladder to outside of body
Other ways waste is excreted (removed) from the body:
  • Skin - sweating
  • Respiration - exhale carbon dioxide and water
  • Digestion - solid waste that is not digested from your food
  • The nervous system sends signals from your brain, down your spinal cord and through your nerves to control movement and responses to your environment
  • The Autonomic Nervous System controls body functions you don't think about

  • Muscles cross bones 
  • Muscles contract (get shorter) and pull on bones to create movement 
  • 3 types: smooth (internal organs), cardiac (heart), and skeletal (for movement, connected to your skeleton)
  • 2 ways muscles are controlled: voluntary (you think about it), involuntary (you don't think about it)
  • tendons connect muscles to bones

  • provide support for your body
  • make red blood cells
  • provide protection for soft internal organs
  • ligaments connect bones to bones
  • Know the names and locations of at least 10 bones.

Air you breathe in has more oxygen, air you breathe out has more carbon dioxide.
The millions of alveoli increase the surface area, just like the villi in the small intestine. This helps to increase the amount of oxygen that diffuses into your bloodstream.

  • Path of Air:
  • nose - air is cleaned by tiny hairs called cilia
  • pharynx - throat, epiglottis is a flap of tissue that covers the trachea when you swallow food
  • larynx - voicebox
  • trachea - windpipe, made of flexible cartilage
  • bronchi - 2 branches of the trachea
  • bronchioles - more branches in the lungs
  • alveoli - tiny air sacs at the end of the bronchioles, touch capillaries in the circulatory system to transfer oxygen into your blood stream
Schoolhouse Rock Circulation Song

Your Circulatory System is made of three main components:

  1. Heart - 4 chambers
    1. 2 upper - atriums
    2. 2 lower - ventricles
  2. Blood vessels
    1. arteries
    2. veins
    3. capillaries
  3. Blood

Monday, February 22, 2016

Unit 3 Topics and Practice Sites

Unit 3: Reproduction, Heredity & Evolution

Topic 1: Reproduction

Image result for asexual reproduction
  • Asexual Reproduction
    • no sperm and egg needed
    • one parent
    • exact copy of the organism is created
    • some animals and plants
    • bacteria and protists 
    • cell division: mitosis
  • Sexual Reproduction
    • combining of genes from two parents
    • sperm cell and egg cell combine
    • animals and plants
Topic 2: Meiosis vs. Mitosis

Topic 3: Genetics
  • Vocabulary
    • Heredity
    • Genetics
    • Inheritance
    • Allele
    • Dominant allele
    • Recessive allele
    • Homozygous
    • Heterozygous
    • Genotype
    • Phenotype
    • Punnett square - play this fun game to help you review!
Topic 4: Mutations
Topic 5: Evolution
  • Change Over Time
  • Natural Selection, survival of the fittest
  • Charles Darwin
  • Evidence for Evolution

    Wednesday, October 14, 2015

    Respiratory System

    Click here to watch the video we saw in class today.

    Complete any blanks in your notes.

    Rewrite your notes using either a concept map or a drawing.  This must be done by hand, not on the computer.

    Friday, May 29, 2015

    CPCS Summer Science Homework

    Summer Science Homework For All 6th Grade scholars entering 7th Grade

    Objective: I will be able to...
    • Use my reading skills to stay up-to-date on science current events.
    • Use my critical thinking skills to analyze the data from the article.
    • Use my writing skills to construct a written piece of evidence to show my understanding. 
    • Read a science-related article from the newspaper, magazine or one of the following websites: Popular Science, NOVA, New York Times, Time for Kids, National Geographic, Earth and Sky Kids or Earth and Sky, NPR, Nature, Sciencenews.org, Sciencedaily.com
    • Write a Claim/Evidence and Personal Response to the following questions:
      • How can this apply to your daily life?  
      • What is the scientist claiming about his or her finding? 
      • Explain whether you agree or disagree with the scientist's claim.
      • What background knowledge did you use to help you understand and/or infer the meaning of the article?

    • See THIS EXAMPLE to help you. 
      Use this rubric to edit your work.
      Scholar work must be typed with the article attached or a link to the article.
      Due on the first day of school.
    • You may also email your completed assignment to Ms. Moore at kmoore@cpcsschool.org.