Science Take Out Lab Kits - Life Support for a Developing Baby

If you haven't tried Science Take-Out's lab kits you're missing out.

(No, I have not been compensated in any way - I just love their labs!)


Today we used the Life Support for a Developing Baby lab kit, and it's both really engaging and full of information.  It reinforces the idea that red blood cells do not diffuse across the membrane, but alcohol and viruses can cross and affect the baby.








Students build a model of the placenta from dialysis tubing and a cup of warm water.  Substances diffuse across for 15 minutes while students analyze charts and build a puzzle of the baby-placenta-blood supply to reinforce their understanding of the anatomy.




The chemical tests screen for alcohol and a virus in the baby's blood, and students see a dramatic result, comparing it to what birth defects may be caused during different stages of fetal development shown in the chart provided.

I think it's a great way to tie in the anatomy & physiology with the students' future real lives.  It's always nice to get in a health lesson (Fetal Alcohol System) alongside the required science.  

I also like to combine this lesson with the Human Fetal Growth lab I purchased from Teachers Pay Teachers.  It has students measure and graph fetal growth in length and graph mass values for fetal development as well.

If you're interested in seeing MY teachers pay teachers store - check out Carrie's Chemistry and Anatomy for my own lessons.

What do you do with Science models?

I feel like there are a lot of unused Biological charts and models sitting in the back of classrooms as decorations.  I have always wanted to have access to these beautiful models, but once I get one, how do you use it with a class full of 25+ students and ONE model? 

I inherited several of these in the classroom I moved into, and I've tried to find new ways to make use of them.
 


One way I've discovered is through station work.  As students move around the room, only 3-4 of them are investigating the model at a time. 



This works well some of the time, but I found recently on one of my models that it has screws on the back and can be taken apart!  This has allowed me to separate it into five parts and use it much more successfully.

I have students rotate through and I ask them to identify specific letters or numbers and then discuss the function of that part with their classmates as they progress. 


You could even ask them to find their favorite YouTube video explaining how that organ works, or connect it to diagrams in their text to make comparisons and find differences.  It's always nice to compare why an author chose to include or leave out certain information in their artwork.


I also have a lovely poster with overlays I use for the same purpose.  I feel like it's helping me get more use out of these resources that previously were just dusty decor.


If you've got access to some models you're not using, maybe you should revisit the options available for students to enjoy them, while getting up out of their seats and interacting with one another to help cement their memory of the information.


If you're interested in seeing what other things I like to do in my class, check out my store on TPT for free and paid items.  Thanks!

Circulatory STEM Challenge lab

Carolina offers a STEM Challenge lab for Anatomy & Physiology that has been a great addition to my Physiology class for the last two years. 

The students work their way through the inquiry process using pipets, tubes, and valves to model blood movement through a two chambered heart.




If you have the funds to try it in your classroom, it's well worth the investment.  I re-used a lot of the pieces in year two, and that helped cut down on the cost. 

Have students save their materials at the end and sort into separate bins for tubing, pipets, and connectors.  Almost all items in the kit are reusable.  The only thing I will need more of next year is the flexible tubing in longer lengths.  Students would also need more parafilm, but that's easily available outside the kit.





The hardest part for my students was not having explicit instructions to build the prototypes.  They are students who usually do really well following lab guidelines and the freedom to try things on their own was difficult.  By the third prototype they realized I wasn't going to tell them if they were right or wrong and got more comfortable trying things on their own.  There are multiple setups that meet the requirement in the instructions, so they can be creative!



It's so difficult to find something related to physiology that includes inquiry, and I would highly recommend this activity!

I would also recommend this for students who need a good homeschool activity about the Circulatory System, as it's very simple and instructions for the teacher are very clear with good sketches of the models.

Ernie's Exit Blood Typing Lab

If you teach Blood Typing and you haven't tried "Ernie's Exit" from The Science Spot you're missing out.

Ernie's Exit - The Science Spot

Typical Blood Typing Lab simulations cost around $40 for materials.  This lab costs less than $5 and is incredibly easy to set up.  The only things to purchase are milk, vinegar, red food coloring, and toothpicks.










The lab instructions mention using cups to mix the substances, but I use washable well plates because that's what I have on hand in my classroom.  Students rotate through 6 stations testing three suspects' blood, the victim's blood, and two samples from the crime scene.











The scenario is silly enough that students are engaged but not upset about the crime committed, and the suspects have silly nicknames as well.  Find out if Barbie Doll Jones or Slim Jim Snoot is the criminal!

This also pairs well with the Nobel Prize Blood typing online lab.

Students then have a hands on lab and an effective computer simulation to learn from.  Together with a short lecture or text reading, and the topic of blood types is successfully taught to most students.

I use these every year in combination and my students are engaged and walk away with a better understanding of the blood typing system.


Both Activities above are free online - but if you have interest in seeing the resources available in my TPT store, click on the link to see what free and paid activities I have created.

Dorky Science Joke to send you on your way -  "What's the best blood type for teachers?    A+ !"