Plant Survival
Matter & Its Properties
Ecosystems/Water Cycle
Earth & Space
Earth & Humans
100

Plants take in this gas from the atmosphere to make their own food.

What is carbon dioxide?

100

This state of matter has definite shape and volume.

What is a solid?

100

All of Earth's liquid and frozen water make up this system of the Earth.

What is the hydrosphere?

100

The number of phases of the moon that have names.

What is 8?

100

When humans throw away trash NOT in a trash barrel they are doing this to the Earth.

What is polluting?

200

The part of photosynthesis where water vapor is added back into the atmosphere.

What is transpiration?

200

If particles sometimes touch and slide past one another but are located at the bottom of a container, this state of matter is called this.

What is a liquid?

200

The part of the water cycle during which water vapor changes to a liquid.

What is condensation?

200

The movement of Earth which causes us to have 24 hours in a day is this.

What is Earth's rotation?

200

We don't usually eat banana peels or apple cores. Name the procedure we can use to help the Earth after we eat these two fruits.

What is composting?

300

The part of the plant that is located underneath the leaves and this is how the plants release oxygen into the atmosphere.

What is the stoma (or stomata)?

300

The type of property that measures the amount of space something takes up.

What is volume?

300

The role that a fox plays in an ecosystem.

What is a consumer or a predator?

300

The tilt of the Earth on its axis causes us to have 4 of these.

What are seasons?

300

These moving pieces make up Earth's crust and cause earthquakes.

What are tectonic plates?

400

The plant tissue through which minerals and water move up from the roots to the rest of the plant parts.

What is the xylem?

400

The ability of a solid to dissolve in a liquid.

What is solubility?

400

The stages of the water cycle, in the correct order.

What is evaporation, condensation, precipitation absorption and runoff?

400

This contains billions of stars, dust and gas that are held together by gravity.

What is galaxy?

400

When humans remove trees and plants from a hill, this can happen.

What is erosion or mudslides?

500
Plants that make their own food (glucose) are also called this (not the word producer).

What is an autotroph?

500

For example, when salt is added to water, the water is called this term.

What is a solvent?

500

A plant or animal that moves or is moved to a different ecosystem and then causes harm.

What is an invasive species?

500

Earth's orbit around the sun takes this amount of days.

What is 365 1/4 days?

500

The number that is the BEST Ph level for drinking water.

What is number 7?