Ecosystems that include oceans, lakes, rivers, streams, estuaries, and wetlands.
Aquatic ecosystems
Gravity is a downward ____.
Force

What does this picture show?
A food chain
When a liquid is changed to a solid it is called?
Freezing
Name the two gasses we breathe in and out.
O2 (oxygen) and CO2 (carbon dioxide)
What is prey?
An animal that is eaten by another animal.

What force does this demonstrate?
Static electricity
What is the difference between magma and lava?
magma = molten rock that is underground
lava = molten rock that breaks through the Earth's surface.
When a solid changes to a liquid it is called?
Melting
What animal is the closest living descendant of the T-Rex?
Chicken
The process of changing to survive in an ecosystem
Adaptation
Which travels farther: a large balloon, or a small balloon?
What is a group of lions called?
When a liquid changes to a gas it is called?
Evaporation
True or False:
Density is usually solids > liquids > gases
True
An animal that hunts other animals
a predator
The force of gravity tends to increase with
Mass
Which type of science studies different types of rocks? (Earth Science, Physical Science, Life Science)
Earth Science
When gas changes to a liquid it is called?
Condensation
What does hydrogen peroxide break down into?
HINT: 2 answers
Water (H2O) and Oxygen (O2)
An organism that makes their own food
Producer
What particle moves between objects to create static electricity?
Electrons
What are the three basic things ALL living things need to survive?
Food, water and shelter.
The path that all water follows as it moves around Earth in different states is called?
The water cycle
What does DNA look like when it's extracted?