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Mammal Facts


Use our mammal lesson plans to teach the six unique characteristics of mammals.

What Is A Mammal worksheet


Free Download Below

MatchCard Science Mammal Facts Worksheet

Objective: List the distinctive characteristics of mammals.

MatchCard: Download below.

The MatchCard lists twelve facts (six true and six false) about mammals. Students have to mark YES of NO to each of the mammal facts.

Download and Use the Mammal Facts MatchCard

Mammal Facts Worksheet homeschool curriculum download arrow
This is MatchCard #5 of the Zoology Unit Study. Find more information on MatchCard Science below.

Mammal Lesson Plans

What Is A Mammal

Mammal Cartoon

Before officially beginning the lesson, ask your student(s) the definition of mammals. Ask them if they can list six distinct characteristics of mammals. Save their list.


Mammals A to Z

Here is another fun activity to get them to wrack their brains for all the mammal species they can think of.

Have them come up with an Alphabet List of animals - one for each letter of the alphabet.

This can be a collaborative group effort or a competitive event if you have more than one student working on this unit study.

Tip: If you don't want it to take days - you can give them a PASS to skip six letters of their choice.


Mammal MatchCard

Use the MatchCard to teach the characteristics of mammals. The MatchCard is re-usuable and can be used for review. Download the MatchCard and get more information on using MatchCards below.


Mammal Charades

Each student can pick one unique mammal. Encourage them to go for the less common mammals like a platypus or aardvark instead of dog or cat.

Play animal charades and see if others can guess their animal.




>Report It

Animals make great topics for writing assignments. They provide a concrete as well as interesting topic as students master new writing skills.

Students can be assigned a written report of their unique mammal. Their report should include information about each of the characteristics of mammals (live young, fur covered) as well as information about what makes this animal unique from other mammals.


Mammal's Milk

See below for some activities that can be done with milk - that unique substance made only by mammals.


Definition of Mammal

What Is A Mammal

A mammal is a class of creatures from the animal kingdom and vertabrae phylum (they have backbones.) They are warm-blooded animals covered with fur who give birth to live offspring and sustain them with milk secretion.

That IS the definition of mammal. So, along comes the platypus and the echidnas - the only known egg-laying mammals. The classification system was developed long before all the plants and animals in the world had been discovered; and this is a good example of how everything doesn't fit as nice and neat into the classification system as intended.

Oh well. It's still the definition. See the other mammal facts below.


Characteristics of Mammals

So here are the six distinct features of mammals:
  • Warm blooded - they live in almost all climates on the planet because they maintain their own body heat
  • Covered with hair or fur. That helps with the heat regulation.
  • Give birth to live young. No hatching, or scratching. The little ones are born.
  • Secrete milk from the mammary gland for their off-spring. (Hence, the name mammal)
  • Blood circulates in a circulatory system pumped by a four chamber heart.
  • They have three small bones in the middle ear.
Yeah, that last one is a bit on the random side. Not sure when or where that information will come in handy, but it is one of the distinct characterstics of mammals.


Milk Activities

Milk Mustache Cartoon

Milk Curds

The Case of the Curdling Curds You will need:

  • 1/4 cup of milk
  • 1 teaspoon vinegar
Heat the milk until curds form. Use a collander with very small slits (or a cheese grater works well) to pour off the thin, runny milk and keep the thicker curds.

Put the curds in a small cup with the teaspoon of vinegar. Mix and leave for 30 to 45 minutes.

When you return, you will find a rubbery substance like clay. This is made from the protein in milk that was separated from the water.




Calcium and Bones

This activities shows the need for the calcium we get in milk.

  • Two chicken bones - approximately the same size
  • one cup of vinegar
  • one cup of water
Place one chicken bone in the cup covered with water, and the other in the cup covered with vinegar. You may need to change the amount of the liquids to cover the bones. Leave them there for 24 hours.

Next day, you will see that the vinegar has taken the calcium out of the bones. Let them feel how soft and rubbery the bone is. How well could you walk if you bones were that soft?

A little encouragement for daily calcium!


Paint with Milk

Younger sibs in the family might like to paint with milk, while their older siblings are doing other milk projects. You can add a significant amount of food color to milk and use it as a paint.


The Case for Casein

Casein in the protein in milk that makes it thick and coagulate. Cook some pudding, and you will often see the layer of casein on the top.

Compare the different amounts of casein in the milk of different mammals. This demonstrates one of the reason breastfed babies usually have less digestive problems than babies fed with another species milk.



MatchCard Science

How To Use MatchCards

MatchCard Science Instructor's Guide

MatchCards are reusable worksheets that correspond to the objectives in the MatchCard Science curriculum. They are used to teach new objectives and to review content previously learned in a fun, interactive method.

See more information about how to use MatchCards in your science program by downloading the FREE MatchCard Science Instructor's Guide.

Investing a little time to set up a MatchCard notebook pays big dividends as your school year progresses.

Zoology Unit Study

Zoology Unit Study Cover

From microscopic protozoa to elephants and whales, learn more about the animals on this planet with the MatchCard Science Zoology Unit Study.

There are a total of thirteen zoology objectives and MatchCards for this unit which will take 6 to 8 weeks to complete.

Download the entire zoology unit study.

12 Complete MatchCard Science Unit Studies

MatchCard Science Cover



There are a total of 12 unit studies, including the Zoology unit study.

Comprehensive objectives, hands-on projects, suggested science fair experiments, and the fun game-like MatchCards keep them interested in learning science. Check out the other eleven MatchCard Science Unit Studies.


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