Environmental Science review safety rules

have a look at this standard science safety quiz

1. 

                         WHMIS -  WORKPLACE HAZARDOUS 
                         MATERIALS INFORMATION
                         SYSTEM 

      THESE symbols are on the MSDS sheet for
       all chemicals    Materials safety Data Sheet. 

THESE ARE MY SCIENCE SAFETY RULES:

1. Follow teacher instructions

a.     If you wish to change instructions, check with teacher

b.     If you break anything or get hurt, report it REPORT ACCIDENTS

2.     .No horseplay, fooling around

3.     Keep yourself safe

a.     Hair tied back, no loose clothing, shoes are closed

b.     If chemicals get on skin, use water

c.     Use eyewash if anything gets in eyes

d.     Wear goggles if needed

e.  If you wear contacts, inform the teacher

4.       Keep your area safe

a.     your work area is neat and organized

b.     you have your lab instructions

c.     aware of fire safety and chemical safety

5.     Keep the classroom safe

a.     Carry materials in a safe way

b.     Aware of fire safety procedure

c.     Don’t remove any experiments from the classroom

d.     Don’t do experiments without first checking with teacher.

6.       Hot and cold and chemical safety

a.     never assume the temperature of something.  Take precautions

b.     hot beaker and cold beaker look identical

c.     always point a test tube away from everyone

d.     when smelling a chemical, waft.

You will create safety rules by reading and summarizing the safety procedures in your poster

The rules can be under the following categories:
HIGHEST PRIORITIES:
THESE RULES CAN BE SUMMED UP LIKE THIS
      Talk to the instructor                     

KEEP ORGANIZED AND SAFE
Keep the classroom safe
Keeping your work area safe
Keep safe with your colleagues
Keep yourself safe
KNOW THE SYMBOLS
Know the correct symbols, WHIMIS symbols


COMMUNICATE AND REACT TO AN EMERGENCY
     be familiar with emergency procedures for fire, toxins, spills, and evacuation  

Environmental Science : Dead or Alive Activity

 

Monday, February 5, 2024

Dead or Alive, notes on the cell

 in class  activity DEAD OR ALIVE

For your first assignment, I would like you to go outside and find the following objects  Photograph them or draw them and write about them in a little paragraph of no more than a third of a page.  You may answer in the form of a type written response under your photo, OR you may write it out in hand writing and draw your answers. 

1.  Find something dead.  How do you know it is dead? 

2.  find something alive.  What is it about this object that makes it alive?

3.  Find something that has never, ever been alive.  What characteristics does this object have that tells you that it is neither dead nor alive. It is nonliving.

4. Find something that is not alive, but an important PART of something alive.  Explain your answer

5. What is something that is not alive but a living thing depends upon it to survive? 

Look at your responses and ask yourself:  What is the criteria of being alive?

Criteria for living things:

What are the criteria for living things?
1.   MOTILITY - the ability to move
2.   IRRITABILITY - it responds to stimulus
3.   REPRODUCTION - it can reproduce and make offspring

a. it can grow

b. it can make another one of itself
4.  It is made of CELLS 

5. a.   HAS METABOLISM -total of all biochemical reactions

occurring in a living thing. If metabolism stops...then that

is death.

    b. TAKES IN NUTRIENTS and MAKES WASTE

CELLS (definition)

-A membrane bound organism that has cytoplasm and genetic material. It also has METABOLISM happening inside it.

-ORGANISMS CAN BE UNICELLULAR (made of a single cell) or MULTICELLULAR (made of many cells)

-ORGANISMS CAN BE EUKARYOTES or PROKARYOTES

Eukaryotic cells have DNA inside a nucleus.  Prokaryotic cells have DNA in the cytoplasm but no nucleus. Prokaryotes are bacteria

Eukaryotes are animals, plants, fungi, unicellular protozoans, seaweed.

6.  CELLS have HOMEOSTASIS - maintaining the status quo for temp,
pH, levels of hormones, levels of enzymes.

7. CELLS CAN adapt to change in the environment.






Organelle systems provide everything for the cell
1.  energy for the cell - this is in the form of ATP made
by mitochondria.The mitochondria needs GLUCOSE and OXYGEN.
GLUCOSE IS FROM DIGESTIVE SYSTEM.
OXYGEN IS FROM SYSTEM AND
RESPIRATORY SYSTEM.



2.   eating and drinking - cell receives building blocks such as
AMINO ACIDS, LIPIDS, NUCLEIC ACIDS from the
DIGESTIVE SYSTEM AND CIRCULATORY SYSTEM

3.  waste is taken away by diffusion

4. communication for the cell 
5.  cells defend themselves

6.  Reproduction of the cell 

ANY ANIMAL CELL inside a mammal...

Eating building material such as amino acids, lipids nucleic acids

Energy:  glucose and oxygen goes to mitochondria and carbon
dioxide leaves mitochondria

Waste:  ammonia

Drinking water

cell product:  made by the cell as specified by the DNA. For example,
a pancreatic cell makes INSULIN

parasitic worm assignment

 PARASITIC WORMS ASSIGNMENT:  

Several Children in Vancouver were sent to your clinic with the following symptoms: In each case:

 

Examine the specimen and attempt to identify the organism.  What phylum of parasitic worm do you think this is?  Furthermore, give evidence for your diagnosis and offer a course of action to cure the patient and prevent further infestation: Also, devise a method to contain any possibility of outbreak.

 

1. Kitty Pride is a young woman who lives in a mansion in Southlands in a special School for gifted youth.  She was experiencing abdominal symptoms of bloating and cramping, and enteritis in general.  She also noticed that she has been feeling unusually anemic, lately. Blood work indicates an elevated white cell count. Sample C was found in her stool sample

                        

2. Walt Chan is a two year old boy, with  two sisters and a pit bull .  He is an active toddler who likes to play in the outdoors.  Walt has recently developed enteritis of unknown origin.  His symptoms included bloating, cramping (which made him cry at night) and mild “car sickness” symptoms.  When Walt went in for blood tests, his white blood cell count was found to be elevated, particularly his eosinophils.  Furthermore, a stool sample yielded the specimen A. 

 

3. Vince Man is a two year old boy who lives in Kerrisdale.  Vince is an active toddler who loves to play in the outdoors.  He lives with his parents but is cared for by his grandmother who loves to cook traditional northern Chinese food for him.  Vince goes to a daycare part time where he plays with other children ranging from age 1-3.  Vince began getting unusual enteritis with an elevated white blood cell count.  His grandma was horrified one day to find sample Z in his stool.

 

4.   Sebastien Slartibartfast is a two year old boy who lives in Kerrisdale.  Sebastien has been complaining of an itchy bum for several weeks.  His scratching is beginning to damage his skin and rectum.He is an only child with many pets: a hamster, a cat and two zebra finches.  Sebastien also attends a daycare that  admits children ages 0 to 3.  Sample E (sample D) was found in Sebastien’s stool sample.  Sebastien’s Dad has noticed that he has similar symptoms as Sebastien. (itchiness).  Sample B was found in his stool.

 

 

Another view of sample C is here the ruler is in cm

 DIAGNOSE THE PARASITE ASSIGNMENT 

Marks:

Drawing of your specimen is clear, labelled      10

Write up is logical and you back up your claims with evidence:   13-15 out of 15

You correctly identify your specimen but it appears that you guessed, because you offer only some evidence  8-10/15

You correctly identify the specimen but offer no evidence           5/15

 

Total :  25

Pick a worm, any worm

 Pick a specimen to look at from our collection . Draw and label the parts and describe the life cycle 

Many images can be found on this website for labeling 

https://www.k-state.edu/parasitology/625tutorials/index.html 

images are copyright Steve J. Upton, Kansas State University

Have a look at a trematode

https://www.k-state.edu/parasitology/625tutorials/Trematodes08.html

Nematoda

 view the presentation on  Nematoda Get ready for doing a multiple choice open book test on this

Watch the video of the Guinea worm, Dracunculus medinensis

https://www.youtube.com/watch?v=cd9mvyTcB6A

New York Times Interview of The Guinea Worm Slayer

https://www.youtube.com/watch?v=8nOuAUfXjzQ

Platyhelminthes Lesson

 

Platyhelminthes

  Review my slideshow on flatworms and parasites

And take a look at this video of a liver fluke:
This liver fluke parasite was found inside a 20 year old man who complained of abdominal pain


Assignment 20 marks
Summarize the key ideas (see vocab words) in a one page drawing or poem or interview a flatworm.
Watch the Shape of Life Video on flatworms. Platyhelminthes,
the first hunter:
https://www.shapeoflife.org/video/flatworms-first-hunter

Cnidaria Lesson

 

Cnidaria

     

Read the Cnidaria section of these notes
Read the  Cnidaria notes on these  slides

These notes and slides will be the subject of an open book quiz.