Animals
Kangaroos use their powerful hind legs to jump long distances across open grasslands.
Kangaroos • Jump • Hind legs
Maple trees lose their leaves each autumn to conserve water during winter.
Maple trees • Lose leaves • Winter
Lightning is a giant electrical spark that occurs during some storms.
Lightning • Electrical • Storms
The moon does not produce its own light but reflects light from the sun.
Moon • Reflects • Sun
Octopuses can squeeze through tiny spaces because they do not have bones.
Octopuses • Tiny spaces • No bones
Cacti store water in their stems so they can survive in dry deserts.
Cacti • Store water • Deserts
Tornadoes are powerful rotating columns of air that can cause serious damage.
Tornadoes • Rotating • Damage
Jupiter is the largest planet in our solar system and has dozens of moons.
Jupiter • Largest • Moons
Whales breathe air through blowholes located on the top of their heads.
Whales • Blowholes • Air
Plants use sunlight to make their own food through photosynthesis.
Plants • Sunlight • Photosynthesis
Earthquakes happen when large pieces of Earth's crust suddenly move.
Earthquakes • Crust • Move
Sun • Light • Heat
Salmon swim upstream to return to the rivers where they were born.
Salmon • Upstream • Born
Seeds need water, warmth, and air to begin growing into new plants.
Seeds • Water • Grow
Volcanoes release lava, ash, and gases during an eruption.
Volcanoes • Lava • Eruption
The human brain controls thoughts, memories, movements, and emotions.
Brain • Controls • Memories
Crabs protect themselves with a hard outer shell called an exoskeleton.
Crabs • Exoskeleton • Protect
The roots of a plant absorb water and nutrients from the soil.
Roots • Water • Nutrients
The water cycle includes evaporation, condensation, and precipitation.
Evaporation • Condensation • Precipitation
Butterflies begin life as eggs before changing into caterpillars and then adults.
Butterflies • Eggs • Caterpillars