Mount Spurr
In the News

Alaskan Volcano Shows Signs of Eruption

Scientists have reported an increase in earthquake activity at Mount Spurr. Mount Spurr is an active volcano [opening in Earth’s surface] in Alaska. Earthquakes are a warning sign of an eruption [outpouring of melted rock … Read more

Tree trunks with strips of bright colors
In the Know

Nature’s Beauty: The Rainbow Eucalyptus Tree

Are you wondering what happened to these trees? No—they haven’t been painted. This is the rainbow eucalyptus tree (Eucalyptus deglupta). The colorful stripes are natural. The rainbow eucalyptus is naturally found in New Guinea, Indonesia, … Read more

In the Know

What Is Blue Light?

Do your eyes hurt after looking at screens for a long time?  Some eyeglasses claim to protect our eyes from light coming from screens. Are these glasses necessary? Blue light is one of the colors … Read more

a spotted lanternfly
In the News

Insect Invaders

If you see this insect, smash it. Why? It is an invasive species called the spotted lanternfly, or SLF. Invasive species are nonnative organisms that cause harm. Nonnative means that it does not naturally live … Read more

In the News

Why Do We Put Salt on Roads?

In places with cold winters, salt trucks are a common sight this time of year. These trucks put down salt during winter storms. Winter storms dump snow and ice onto the roads. You may have … Read more

brain activity during thinking
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Making Memories

How do you learn something new? Think about reading or riding a bike. It probably took a lot of practice before you were good at it. You had to repeat it many times. This is … Read more

In the Know

Snowflake Science

This month we explore some fun facts about snow. Snow is NOT frozen rain. Sleet is frozen rain. Snow is frozen water vapor [the gas form of water]. Snow forms when water vapor changes into … Read more

In the News

A Winter Sunset at Keyhole Arch

This time of year, California’s Keyhole Arch attracts visitors from near and far. The visitors come to see a natural light show. The Sun lines up perfectly in the middle of the arch at sunset. … Read more