Grades 3–5 · 8 connected explanations
Living Systems & Mind
Begin inside a leaf, follow how living things obtain resources, and then connect sound, perception and memory.
Organisms
How can a microscope reveal that a leaf is made of cells?
Magnification reveals that a leaf contains organized cellular structures.
Organisms
How can a desert cactus store water and lose less?
A cactus links its body’s structure with water storage and loss.
Organisms
How does food become nutrients the body can use?
An animal obtains usable nutrients through a different sequence of processes.
Arts & Music
How does a guitar body help make sound?
A guitar produces vibrations that can become a signal for the ear.
Organisms
How can one picture look like a vase or two faces?
An ambiguous picture shows that perception includes organizing sensory information.
Organisms
How can sleep help something learned become easier to remember?
Sleep helps the active brain stabilize some of what it has learned.