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Description
A Ray of LightA photographic exploration into the beauty and magic of light from the creator of the bestselling A Drop of Water and the Can You See What I See? series. The wonder of light has fascinated readers for ages. Walter Wick's mesmerizing photographs paired with simple yet fascinating text and scientific observations help readers understand the secrets and complexity of light. You will learn what light is made of and how it fits alongside everything else in
A photographic exploration into the beauty and magic of light from the creator of the bestselling A Drop of Water and the Can You See What I See? series.The wonder of light has fascinated readers for ages. Walter Wick's mesmerizing photographs paired with simple yet fascinating text and scientific observations help readers understand the secrets and complexity of light. You will learn what light is made of and how it fits alongside everything else in the world. Walter introduces readers into the mystery behind incandescence, light waves, the color spectrum, and iridescence as well as how we perceive light in our world and beyond. Walter Wick demonstrates that science and art both offer ways to observe the world around us. A Ray of Light is perfect for the STEM curriculum as it incorporates the early disciplines of science, technology, engineering, and mathematics.
Binding Type: Hardcover
Publisher: Scholastic Press
Published: 02/26/2019
ISBN: 9780439165877
Pages: 40
Weight: 1.15lbs
Size: 11.50h x 9.20w x 0.50d
Review Citations: Bulletin of Ctr for Child Bks 02/01/2019
Kirkus Reviews 11/15/2018 pg. 198
School Library Journal 12/21/2018 pg. 74
Booklist 02/15/2019 pg. 40
Horn Book Magazine 03/01/2019 pg. 105
Hornbook Guide to Children 07/01/2019 - Superior,Well Above Average
Accelerated Reader Quiz #/Name: 501373 / Ray of Light: A Book of Science and Wonder
Reading Level: 6.9 / Interest Level: Middle Grade / Point Value: 0.5
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4.1 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Convenient non-toxic option
Exactly what I was looking for. Non-toxic convenient option for sunblock. I keep one in my purse, our outdoor bag and in the car. Rubs in easy no weirdness. We are light complected so I'm not sure if it would leave white cast on a darker skin tone. I use it daily on my face, ears and hands.
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Reviewed in the United States on March 4, 2026
★★★★★ 3
Mineral sunscreen stick review - poor at blending
I’m writing a review for this product as well as a number of other mineral sunscreen sticks (MSS) after testing a bunch of them—scroll down to point #6 below if you want to know which one I thought was the best. I’ve placed this exact review on every single other MSS I used. I specifically elected to go with mineral-based sunscreens—lots of talk on the environmental effects of the other sunscreens (not sure how much of this is actually true, but I’m willing to avoid the non-mineral sunscreens given the minimal investment on my part). Here are a few important points about this review:
1. No one paid me to write this review. I put down my own $140 to get all 13 of these MSSs. I just wanted to find the best one by limiting as much bias as possible. Yes, my wife definitely gave me the you’re-crazy-but-I-guess-I’m-stuck-now look.
2. Quick sunscreen tutorial. Most dermatologists say we should try to get an SPF of 30+. Each 1% of zinc counts for 1.6 SPF, so to hit SPF 30, your zinc has to be 18.75%+. Each 1% of titanium counts for 2.6 SPF, so a combination of zinc and titanium could get you to SPF 30 as well. Titanium apparently isn’t good enough to block UV-A (cancer causing and photo-aging) light on its own, so you must add zinc to it. I calculated the SPF based on the stated zinc and titanium percentages on the label and these calculations were usually different from the quoted SPFs (they might be adding more SPFs from other ingredients, but I can’t say for sure). Nine of the 13 MSSs had calculated SPFs 30+. Only 4 of the 13 had a calculated SPF greater than or equal to the label SPF.
3. Because I can’t judge cancer prevention or aging blockade in the short term, avoiding burns and eye irritation are the most important immediately observable elements of an MSS. Every MSS I tested did equally well in burn avoidance and eye irritation avoidance.
4. It should be noted that I’m not Caucasian, I’m South Asian. If you don’t know what that is exactly, Wikipedia it or watch some Russell Peters standup comedy (his old stuff, not his new stuff). My skin color is probably similar to that of Benjamin Bratt (mind you, we’re talking about his skin color only… I’m not even in the same galaxy of overall looks as he is, much to my wife’s chagrin). The ability of a white-colored MSS to blend is crucial for me. And yes, even brown people like me need sunscreen. It would absolutely suck for me as a South Asian to have a higher risk of heart disease, diabetes, and hypertension, skillfully dodge those bullets with diet and exercise and luck, only to get taken out by skin cancer.
5. I like most scents. It seems like so many things are going unscented now—an MSS that is truly unscented is okay, but a lot of things labeled “unscented,” actually have an odd, unpleasant (sort of like bad oatmeal) smell to them. The scent score is logged as a “3” if it’s truly unscented, a “5” if it has a great scent, and a “1” if it smells bad.
6. Here’s the final conclusion. Only 3 of the 13 MSSs I tested had the following combination of characteristics: calculated SPF 30+, smell score 3+, and blend score 4+. These top three were: Neutrogena Sheer Zinc, Aveeno Positively Mineral, and Blue Lizard. When you factor in cost, it’s a no-brainer—Neutrogena and Aveeno were only half the cost of Blue Lizard. Therefore, my two winners (tied for first place) are Neutrogena Sheer Zinc and Aveeno Positively Mineral. Honorable mention for Blue Lizard—twice as expensive as the others, but might be slightly easier to maneuver on your face given the smaller size stick (this is a stretch compliment for Blue Lizard—I think NSZ and APM are just better).
Hope this helps you select your next mineral sunscreen stick!
A^2
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Reviewed in the United States on July 12, 2020
★★★★★ 5
Muy práctico
Este protector solar es muy bueno es orgánico y a pesar q es pequeño rinde mucho y protege mucho es muy práctico usarlo en barra
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Reviewed in the United States on February 24, 2026
★★★★★ 5
Perfect for the melanin-less crowd!
Style: SPF 15, Size: 8 Fl Oz (Pack of 1)
This is my go to brand. I’m pasty white and burn easily, but not with this! It’s long lasting and smells great too!
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Good For Faster Tanning
Style: SPF 15, Size: 8 Fl Oz (Pack of 1)
This is a terrific sunscreen for those looking to tan faster. It's not as low as 8 SPF, or as high as the minimum recommended 30 SPF, but it'll get you darker faster.
Apply this 15 minutes before going in the sun, and reapply every two hours. As someone who recently went to Hawaii and got 2-3 hours of sun every other day for two weeks, reapplying is absolutely crucial. We went once and reapplied after three hours, and that gave us some pain. Not as much pain as not reapplying at all, but it definitely taught us to reapply no matter what, if you are in the sun.
Overall, this applied cleanly and protected our skin about 93%. And 93% is better than not wearing any sunscreen at all.
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Reviewed in the United States on September 8, 2025