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Science Photo of the Day #808
We had a very nice snow today, our first since we moved to the canyon. Does it ever get too cold to snow?thumb: read more
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Science Photo of the Day #810
The ice that formed in our bird bath, buckets, etc. is white, but icicles are usually clear. What is the difference?thumb: read more
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Science Photo of the Day #814
Today it snowed pretty much continuously, even though it was 40°F outside. How can it snow if the temperature is above freezing?thumb: read more
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Science Photo of the Day #816
Nancy and I are enjoying the snow from out first Utah winter. I noticed that as things warm up, the snow often melts first around the base of plants. Why?thumb: read more
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Science Photo of the Day #818
When frost forms on your window, why do the crystals often form in lines?thumb: read more
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Science Photo of the Day #819
Is snow a rock, a mineral, both, or neither?thumb: read more
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Science Photo of the Day #822
This is a photo of some frost crystals that were on our car windows yesterday morning. This morning there was no frost on the windows, even though it was just as cold. Why the difference?thumb: read more
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Science Photo of the Day #832
I found these interesting marks in a tire track in our driveway. What produced them?thumb: read more
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Cloud Formation, Part 1
Number: 0204 Anonymous: Select the player that works best for you.Slow Connection High Speed Flash High Speed Quicktimethumb: Length: 2:23
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Cloud Formation, Part 2
Number: 0205 Anonymous: Sorry, but this content is reserved for subscribers only.The $20/year subscription helps cover the costs of producing new videos, writing curriculum units, site development,...
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Science Photo of the Day #876
We had an incredible sunset tonight. What caused the sun to look like this?thumb: read more
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Science Photo of the Day #892
Why does this plant make me think about buying a bicycle?thumb: read more
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Lightning in Johnson Canyon
This week we had a marvelous electrical storm to the west of our house. It was far enough away to make Junie Moon the Dog happy, but near enough for some nice photos. .....Read more....thumb: read more
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Science Photo of the Day #915
A normal lightning strike to the ground is the result of the attraction between the negatively charged cloud and the positive charge on the ground below. What causes lightning to strike from one...
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Science Photo of the Day #920
We are expecting a hard freeze tonight. The water in our bird baths will probably have a layer of ice, if they don't freeze solid. If cold water sinks, why does the ice form at the top?thumb: read more
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Science Photo of the Day #925
As winter approaches here in Johnson Canyon, I will be paying close attention to katabatic winds. Without looking it up, what are katabatic winds, and why would they be important to us in the...
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Photographing Snowflakes
Number: 0214 Anonymous: Click here to use the Slow Connection Playerthumb: Length: 5:32
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Science Photo of the Day #933
This is our newest cat, Little Bit. He is enjoying his first big snow. Is snow classified as a rock? A mineral? Both? Neither?thumb: read more
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Science Photo of the Day #941
Although we have had several days with lots of sun and temperatures up in the 60's, there is still a lot of snow on the ground. Why hasn't it melted away?thumb: read more
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