Why Do Flowers Have Different Colors? Flowers have different colors primarily to attract pollinators.  When insects land on a flower to drink nectar or honey, pollen sticks to their legs and is carried to the insect’s next plant; this helps the flowering plants...

Journey Of Food The journey begins when we see or smell appetizing food. The brain signals the salivary glands, making our mouth water.  Eating: We use our mouths to eat food, chewing it with our teeth to break it down into small pieces. The tongue helps move food...

What Is A Star? A star is a giant, glowing ball of gases held together by gravity. The main gas in a star is hydrogen. Stars come in different sizes, colors, and temperatures.  A star produces great amounts of energy in the form of light and heat. The Sun is a star. ...

How Do Spiders Build A Web? Spiders are nature’s engineers who build intricate and symmetrical webs. Spiders have special organs in their abdomen called spinnerets that spin silk threads.  The spider first releases a silk thread...

What Is A Pulley? A pulley is a simple machine that consists of a wheel with a groove around it and a rope that runs along the groove. Mechanical Advantage - Pulleys are used to lift heavy objects easily. By using multiple pulleys in a system, we can reduce the amount...

Why Do Leaves Change Color? The green color of leaves comes from the pigment called “Chlorophyll,” which helps with photosynthesis.  Leaves change color in the fall due to changes in the amount of daylight and temperature. The days get shorter, and the temperature...

How Are Snowflakes Formed? Snowflakes get their unique shapes from the conditions in which they form and grow in the atmosphere.  The shape is determined by temperature, humidity, and how it moves through the cloud.  Icy Crystal Formation - A snowflake starts as a...

What Is A Mirage? A mirage is an image that looks real but is not really there. This phenomenon is called an Optical Illusion.  Mirages are usually formed by layers of air at different temperatures and thicknesses close to a surface like the ground or a water body. ...

Why Do Dolphins Live In Groups? Dolphins are highly social animals that live in groups called pods for some key reasons. Protection from Predators - They can collectively defend themselves from predators like sharks. Cooperative Hunting - They collaborate to fence in...

Why Do Worms Live In Soil? Worms live in soil as it provides them with the habitat they need for their survival. Moisture -  Worms need a damp and humid environment to live in. They need moisture to breathe through their skin. Protection -  The soil offers protection...