While doing spring cleaning in her room, Jesse comes across a crayon on her window sill that is curiously bent over. She recalls that the crayon was there all winter and not bent at all. Jesse begins to wonder what caused the crayon to bend. Using science skills, Jesse discovers how the Sun is closest to Earth in summer and that's why the crayon melted.
A summer trip to her grandparents' house was going great until Jesse gets caught up in a mystery in the attic. When she encounters a pair of spooky green eyes during a lightning storm, Jesse sets out to use engineering skills to solve the Case of the Clicking Clock.
While playing in her tree house, Jesse is intrigued by a falling sycamore seed that slowly spins to the ground. But when she sees acorns falling fast directly down to the ground, she must solve the riddle while learning about propellers and windmills and using technology to understand aerodynamics.
One of the most visited places in North America, Grand Canyon National Park is like an open window to Earth’s geologic history. The carving of the canyon’s walls by erosion left a cross-section of the Earth’s crust from millions and millions of years ago. See for yourself how grand and beautiful this gorgeous gorge really is.
It may be a parent's dream, but imagine life without the internet or world wide web. Would airlines be able to fly? Would our nation's security be at risk? What can be done to safeguard the internet?
It seems they're everywhere. But scientists believe bees are at risk of survival. What has put bees at risk and should we care? Imagine a world without these important pollinators and you'll see a world with fewer and fewer critical food sources.
Empires have been built from it, Wars have been fought for it. Imagine a world without oil. What alternatives do we have in a future with limited oil and other fossil fuels?
Look around. Plastic is everywhere. But some experts say today's plastic will be in our landfills for thousands of years to come. Imagine a world without plastic, in some communities, it's a new reality. Explore the good and the bad of plastic in our lives.