Light
Water and Air
Plants and Photosynthesis
Trees and Flowers
The Sun, the Moons, and the Stars
100

If a surface reflects all colors, the object will appear like this.

What is white?

100

This is the way water moves and changes on Earth.

What is the water cycle?

100

This is the process by which leaves make food for the plant.

What is photosynthesis?

100

This is the part of the tree that draws up water and minerals from the soil and anchors the tree in place.

What are roots? 

100

This is the star at the center of our solar system that radiates heat and light, allowing life to exist on Earth.

What is the sun?

200

This is a form of energy that makes vision possible.

What is light?

200

This phase of the water cycle happens when water from lakes, rivers, and oceans turns into gas or water vapor.

What is evaporation?

200

These tiny openings on the underside of leaves can open and close to allow air in and release water.

What are stomata?

200

This is the male part of the flower, consisting of the filament and the anther.

What is the stamen?

200

This natural satellite orbits the Earth and changes appearance depending on how much sunlight reflects off its surface.

What is the moon?

300

This happens when light traveling in a straight line hits a surface and changes direction.

What is reflection?

300

When water droplets collect in the air and form clouds, this process is taking place.

What is condensation?

300

The chemical in leaves that makes them green and helps them make food is called this.

What is chlorophyll?

300

This type of tree has broad leaves that are lost in the winter.

What are deciduous trees?

300

This is the name for the elliptical path of a planet around the Sun.

What is an orbit?

400

This is white light that has been separated into colors by water droplets.

What is a rainbow?

400

This is air in motion.

What is wind?

400

This is when water stored in leaves escapes through the stomata.

What is transpiration?

400

This tube in the tree carries water and minerals from the roots to the leaves.

What is the xylem?

400

This set of stars visible in the night sky forms patterns often associated with myths.

What is a constellation?

500

If a surface absorbs all colors of light, it will appear like this.

What is black?

500

When air is heated, this happens.

What is expands and rises?
500

This part of a seed grows first to absorb water and nutrients from the soil.

What are the roots?

500

This type of flower is made up of many smaller flowers arranged in a circle, each producing a seed.

What is a composite flower?

500

What is the name of the brightest  star in the night sky?

What is Sirius?

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