Archive for the ‘Homeschooling: Science’ Category

Vinegar And Baking Soda Experiment

Friday, May 17th, 2013

Erupting volcanoes aren’t the only reason you will want to do a vineger and baking soda experiment with your kids. If you want to see a cool, frothing explosion any time, you can add some blue food coloring to your baking soda in a small container. Stir it well. Now add the vinegar by pouring to into the baking soda, and you will see the blue froth coming out of the container in a fun way. Be sure to put a larger container underneath to catch the excess explosion so that it doesn’t stain your counter.

vinegar-and-baking-soda-experimentThis science experiment takes less than five minutes and is sure to impress any kid, especially young ones who have never seen it before. My own kids have erupted lots of volcanoes this way, adding red food coloring to a film canister inserted into a mud volcano outside. Create four different kinds of volcanoes side by side: cinder cones, composite cones, shield cones, and lava domes. Then have four kids get ready to pour vinegar into their volcano tops. Shout, “Ready, set, go!” See which volcano erupts first.

You can also buy a volcano model, which has a hole in the top for doing your vinegar and baking soda experiment. The model shows the inside of a volcano and is good for studying the anatomy of the volcano.

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How to Make a Pop Bottle Bird Feeder

Friday, April 12th, 2013

how-to-make-a-pop-bottle-bird-feeder

This is how to make a pop bottle bird feeder. We made one last night to attract more birds to our yard. For some reason we haven’t seen as many birds ever since we got a cat. But this handy-dandy bird feeder will bring back all those birds that came last time we made this popular feeder, when our boys were in Cub Scouts. These are the supplies you will need:

  • empty pop bottle with lid
  • bird seed mix
  • two wooden spoons (from dollar store)
  • sharp knife or razor blade
  • twine
  • large hook
  • funnel
  • drill (optional)

how-to-make-a-pop-bottle-bird-feeder-2Cut a slit for the wooden spoon, barely big enough to slide the spoon through. Cut a slit on the other side of the bottle, so that the spoon can come out the other side. Do the same with the second spoon, placing it at a right angle so that two birds can eat at the same time.

Fill the bottle with bird seed mix. Now make a hole right above the spoon, about 1/2 inch across, so that some seed will come out onto the spoon. Do the same to the other spoon. My husband said cutting the hole works better with the seeds inside the bottle, because the bottle is more sturdy and won’t collapse when you are trying to cut it.

You can drill two holes in the lid and put some twine through it, tying a knot on the inside so it won’t be seen. Or if you don’t have a drill, just tie the twine around the top of the bottle and hang it up on a hook right outside your window.

“How come the birds aren’t coming yet?” asked my daughter the next morning. She didn’t remember the last time we had a bird feeder. The birds fought over the bird seeds like they were starving, with the squirrels eating all the spilled leftovers.

“They need to find the bird feeder. Once they find it, they’ll come,” I said, trying to reassure her.

“Or maybe it’s because the cat is sitting under it,” I thought to myself…

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Life Cycle of a Mushroom

Friday, October 19th, 2012

My son Bryan Evans (age 12) drew this diagram of the life cycle of a mushroom yesterday. You can read it better if you click on the picture, which will enlarge it. He created a much more interesting and colorful scene than the Apologia Biology book, and he added lively language. We are planning to go on a mushroom hike tomorrow as part of our study of mushrooms.

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Filming the Pond Unit Study

Thursday, October 18th, 2012

Last Saturday afternoon, I jumped onto the bed where my husband was taking a nap. “Carpe Diem!” I shouted. “The sun is shining, and it’s perfect for filming the Pond Unit Study. Can we go?”

“Get me some tea…” he groggily stated.

By the time we were backing out the driveway, dark clouds covered the sun, and it looked like it was going to storm. I looked down at all the gorgeous drawings my kids had made of microscopic creatures from the pond, and their sweet watercolor pictures of the pond itself. I didn’t want them to be ruined. My clip-on mic cost us $600. I didn’t want that ruined either. I looked nervously into the sky through the front windshield.

When we arrived at the pond, the wind started blowing all the papers. As my husband filmed, people gathered around just to watch, apparently entertained by me. I didn’t mind the audience. I’m a ham anyway. They asked me if they were going to be on YouTube. My husband laughed. My son Stephen asked if he could get another sample of the pond water, and I realized I needed to show the audience our handy-dandy pond-collecting contraption invented by my husband.

There was constant noise, so we had to keep stopping and starting over. A motorcycle started up every five minutes. Then I took a deep breath and nearly choked on an insect. And I was in a desperate hurry to film before an impending downpour.

You might be saying, why not film another time? Because next weekend I’m filming the mushroom hike and collecting video footage of all the mushroom activities we do. Since my sons are involved in flag football on Saturdays also, there is no other time to record. By the time my husband gets back from work on weekdays, it’s dark. Both of these unit studies are going into my Treasure Vault on November 1st, which only gives me five days to process the mushroom video footage. So no, there is no other time.

Then I found out my mic was on mute after half an hour of filming. Apparently my batteries were dead.

I looked up into the sky. “Lord, I know You want me to do this. You led me to do this unit study thing. I know You control the weather.” I felt discouraged as I went back to the car to change the batteries.

When I came back from the car, the sun was shining. The pond looked gorgeous with the beautiful autumn trees reflected in it. I was so happy. I pulled myself together to re-film the unit study.

People don’t realize how much work it is to film a video. I had accidentally left my notes at home, you know, my script, so I was doing it impromptu, hoping I covered all the transitions between the different video clips I had filmed over the last month. For example, I almost forgot to mention the coffee filter art we did to create that psychedelic-looking green algae called a Desmid.

Anyway, I now have the video footage, and it will probably take 2 to 3 hours to edit it because there are over 100 short video clips just for the Pond Unit Study. I will be adding it to my Unit Study Treasure Vault along with a Mushroom Unit Study on November 1st. On that day I’m also adding a video called “Feast of Tabernacles,” which was a super fun Bible unit study. My children enjoyed waving branches, building a simple tent-structure, and stomping on wheat that we collected from a wheat field. Yes, I’m filming my whole life right now and putting it into the Treasure Vault. That’s what I felt God leading me to do, and I will continue to follow where He leads!

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Biology Video Blog

Thursday, September 27th, 2012

It’s going to be better, higher-quality than a video blog, and I’m going to show you everything we do for Biology this year, chapter by chapter — each experiment and drawing that we make. I will be posting the videos exclusively in my Unit Study Treasure Vault each month, in addition to lots of other things I add each month for other subjects.

I will be starting the year by showing you my Classification of Animals that I have on my wall. I spent hundreds of hours 10 years ago, categorizing large animal pictures into kingdom, phylum, class, order, family, genus, and species. I will show you the two columns of animals that are carnivores. I will show you all the other major categories of animals. Your understanding of taxonomy for biology will never be the same. I just invented this. No one else has this. So I will be showing you visually how to classify animals. If your high school students are confused about animal classification, this alone is worth the price of joining the Vault. Elementary students will also benefit greatly.

When we gather pond scum, you will see my children running to the pond, and you will see me scooping up the scum and being real, like I always am. You will see our experiments. This is helpful for those of you homeschoolers who are not doing the experiments. It is as if you are doing the virtual experiments with me.

I show you how to make the Biology chapters into elementary-level unit studies for your younger children. For example, the first chapter of the book will be a Microscope Unit Study. If you have no children in high school, you will have enough information to study microscopes with your elementary-aged children.

Here is when I plan to post the Biology Video Blog chapters:

October 1, 2012:

  • Classification of Animals
  • Microscope Unit Study (Chapter 1)

November 1, 2012:

  • Pond Life Unit Study: Part 1 (Chapter 2)
  • Pond Life Unit Study: Part 2 (Chapter 3)
  • Mushroom Unit Study (Chapter 4)

December 1, 2012:

  • Chemistry Unit Study (Chapter 5)

January 1, 2013:

  • The Cell Unit Study (Chapter 6)

February 1, 2013:

  • DNA Unit Study (Chapter 7)
  • Genetics Unit Study (Chapter 8)

March 1, 2013:

  • Creation/Evolution (Chapter 9)
  • Ecology Unit Study (Chapter 10)

April 1, 2013:

  • Invertebrates Unit Study (Chapter 11)
  • Crustacean Unit Study (Chapter 12)
  • Spider Unit Study (Chapter 12)
  • Insect Unit Study (Chapter 12)

May 1, 2013:

  • Vertebrates Unit Study (Chapter 13)
  • Plants Unit Study: Part 1 (Chapters 14)
  • Classification of Plants (Chapters 14)

June 1, 2013:

  • Plants Unit Study: Part 2 (Chapters 15)
  • Reptiles Unit Study (Chapter 16)
  • Birds Unit Study (Chapter 16)
  • Mammals / Animal Classification (Chapter 16)

These are the dates I can post the videos, not how long you should take on the chapters. For example, chapters 1-4 should take you 8 weeks. What we did for September and October (8 weeks) will be posted on October 1st and November 1st. Hopefully that makes sense.

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Who Knew Biology Was So Funny?

Tuesday, September 25th, 2012

biology-humorBiology humor is rampant in a homeschool that contains mostly boys. A few days before starting our Apologia Biology book, I wrote down the four criteria for life on a sheet of paper and taped it on the wall:

  1. “All life forms contain deoxyribonucleic acid, which is called DNA.
  2. All life forms have a method by which they extract energy from the surroundings and convert it into energy that sustains them.
  3. All life forms can sense changes in their surroundings and respond to those changes.
  4. All life forms reproduce.”

Without saying a word, my oldest two sons apparently looked at the page and learned it. On the day before starting biology, we were just finishing up dinner when I asked the children what makes something alive.

My 10-year-old son rattled off the four criteria for life word perfect, and my oldest son said the same thing in his own words.

“Nuclear acid?!” said my third son, giggling. “All living things have to have nuclear acid?!” Everyone started laughing.

“Deoxyribonucleic acid, you know, DNA.” I turned to my 7-year-old daughter and said, “Can you say ‘deoxyribonucleic acid’?”

“That word is too long,” stated my daughter matter-of-factly. So I broke the word down into syllables, and she said each syllable.

“What else do you think is necessary for something to be alive?” I asked the kids.

“All life forms must have boogers,” stated my third son, causing hilarity.

“But plants don’t have boogers, and plants are alive,” I stated calmly. The kids laughed so hard they nearly fell out of their chairs.

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Inventors Notebook

Thursday, July 12th, 2012

This Inventors Notebook has a decorated cover with cut-out pictures that were glued to the front. Then the front was covered with packing tape to make the notebook durable. The title is prominent in bold letters, and the description was “Who, What, When, Where, and Why.” A table of contents is written on the inside cover.

This notebook has lots of pictures, writing, timelines, science, history, costumes, and hands-on activities. This was a first-grade homeschooled boy who put together this notebook. He dressed up in a bowler hat to represent life back in the 1900′s, when most inventors were inventing their hearts out. You can make some of these inventions yourself for a hands-on activity. This family went to an art exhibit in our city; they saw life-sized Leonardo da Vinci contraptions everywhere that the kids could play with. Most of the inventions were put together with wood and canvas. The display was great! My own children enjoyed playing with the contraptions when we visited the museum.

This Inventors Notebook is a great example of a project book which displayed all the ideas about inventions that this boy was learning about in his homeschooling unit study on inventors. The homeschool mom was inspired to do this Inventors Notebook with her son after taking my Journaling class at the homeschool conference last year.

 

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Stargazing

Tuesday, June 19th, 2012

Stargazing is a wonderful evening activity for your entire family. Try to go outside the city to adjust your eyes to the dark. The further away from the city lights you are, the better. Before you leave home, look up and make sure there are no clouds.

Take a sleeping bag to open up on the ground. A sleeping bag is better than a blanket because it’s waterproof on the outside, so if the ground is wet, it won’t soak through. A sleeping bag is also softer on the inside than most blankets. You will also want a flashlight with red cellophane taped over it, to look at a star chart. It takes a few minutes for your eyes to adjust to the dark, so turn off your headlights and don’t use any light except red light, which doesn’t affect your eyes.

Start by looking for the Big Dipper. The Big Dipper points to the North Star, and you can find all the other constellations from there. Orion is easy to pick out in the sky as well. Look for his belt first (the three lined-up stars), then his shoulders and legs. See how many constellations your kids can find.

You may want to borrow a telescope or some binoculars to see star clusters, nebulae, or planets. We have seen the moons on Jupiter and the rings on Saturn with our telescope. On nights with a full moon, we just focus on the craters of the moon, since the light of the moon makes it hard to see the stars, even if the night is clear.

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