Science: Age 9

16 illustrated Science lessons for Age 9.

Bean Growth in Four Jars Four jars show a bean at different steps. You can see a root, a shoot, a split seed coat, and early leaves.…
Molten Young Earth The young Earth was a hot, glowing ball of rock. Impacts and heat from inside kept its surface molten for a ve…
Warm Air Makes a Cloud The sun warms a lake and a field, and warm, wet air floats upward. High up the air gets cold, and the water in…
Prism and Rainbow White sunlight looks plain, but it is made of all the rainbow colors mixed together. When it passes through a …
Soap's Two Ends A soap molecule has a round head that likes water and a wavy tail that likes grease. When soap meets water and…
Earth's Cracked Shell Earth's outer shell is not one solid piece. It is cracked into large rigid pieces that slowly shift against ea…
From Bone to Stone A dead dinosaur can become a fossil if it is buried in mud or sand very quickly. Over millions of years, miner…
Dry flake wakes A slime mould can dry into a brittle resting flake when food and water run out. When water touches it, it swel…
Inside a Green Leaf A green leaf takes in sunlight, water, and a gas from the air. Its cells use these to make sugar for food and …
Drifting Plates Earth's outer shell is cracked into big pieces called plates. These plates move very slowly, only a few centim…
Seed to Flower A seed lying in the soil wakes up when it gets water and warmth. Little by little it grows roots, a stem and l…
Ant Scent Messages Ants make a shared smell together. They read tiny smell messages with their antennae.…
A Circuit That Lights a Bulb Electricity can only flow when it has a complete path to travel all the way around. This loop of parts makes t…
Inside a Volcano A volcano is a mountain with hot melted rock inside it. When the melted rock pushes up through a narrow tube, …
The Sun and Its Planets The Sun is a huge glowing star at the center of our solar system. Planets travel around it along paths called …
The Parts of a Flowering Plant A flowering plant is built from four main parts that work together. The roots drink water, the stem carries it…