The Planets
Ecosystems
Chemical Reactions
Solar System
Water Cycle
100

The planet closest to the Sun.

What is Mercury?

100

Plants produce these 2 things during photosynthesis.

What are oxygen and glucose (sugar)?

100

a name for people in the past who studied the combination of chemicals

What is an alchemist?

100
The star closest to our planet.
What is the Sun?
100

liquid changing into a gas

What is evaporation?

200
The planets in order from the Sun
What is Mercury,Venus,Earth,Mars, Jupiter, Saturn, Uranus, Neptune
200
An organism that makes it's own food.
What is a producer?
200

What are the three states of matter?

What is a solid, liquid, or gas?

200
The path one object takes around another object in space.
What is an orbit?
200

gas changing to a liquid. (Think of water droplets on the outside of a cup on a hot day.)

What is condensation?

300
These are found between mars and Jupiter
What are asteroids?
300
A characteristic that helps an organism survive .
What is an adaptation?
300

What reaction do you get when you mix an acid (vinegar) with a base (basking soda)?

What is it bubbles?

300
One of these takes about 365 days.
What is Earth's revolution around the Sun?
300

True or False. There is more fresh water on Earth than salt water.

False.

400
The four gas giants
What are Jupiter, Saturn, Uranus, and Neptune?
400
A green food-producing molecule that helps plants make their own food.
What is chlorophyll?
400

when one substance mixes with another and it looks like it disappears, such as when sugar mixes into tea.

What is dissolve?

400
This takes about 27 days.
What is the moon's revolution around the Earth?
400

A natural underground source of fresh water.

What is an aquifer?

500

The four rocky planets

What are Mercury, Venus, Earth, and Mars?

500
A network of overlapping food chains in an ecosystem.
What is a food web?
500

a process where one or more substances form a new substance.

What is a chemical reaction?

500
the Earth does this in a 24 hour period.
What is rotate on it's axis?
500

The process by which water falls from clouds to the earth's surface as rain, snow, sleet, and hail.

What is precipitation?

M
e
n
u