Chemistry
The smallest unit of matter.
Atoms
When water heats and becomes water vapor, it undergoes ____.
Evaporation
These organisms use photosynthesis to create their own energy.
Producers
This force pulls objects with less mass towards objects with greater mass.
Gravity
This rock is formed when sediments are layered, compacted, and cemented
Sedimentary rock
Bobert dissolves 20 grams of salt into 150 grams of water. What is the total mass of his solution?
170 grams
Most of Earth's freshwater is found in _____.
Glaciers (as ice).
Mushrooms, worms, and bacteria are examples of ____.
The ____ is the center of our solar system.
Sun
Plants use this type of energy for photosynthesis
Light energy
After sitting in the fridge for a month, a bottle of Italian dressing separates into layers of vinegar and oil. This is an example of what kind of solution?
Unstable solution
This sphere includes all living things on Earth
Biosphere
A consumer that eats only producers is known as a _____.
Primary consumer
The Earth makes a full rotation every ____ hours.
24
A child kicking a ball, a woman using a hammer, and a fish swimming through water all use what kind of energy?
Mechanical energy
When the ____ of two substances are ____ to each other, the two substances will blend or mix completely.
Molecules, attracted
When water vapor cools in the atmosphere, this is called ____.
Condensation
What role do decomposers play in their ecosystems?
Break down dead plants and animals
The Earth makes a full revolution (orbit) around the Sun every _____ days.
365
A human’s eye color, the number of stripes on a fish, thickness of spines on a cactus, and the shape of a bird’s beak are examples of what kind of trait?
Inherited traits
A substance's properties are its ____. Give an example of a substance's property.
Observable qualities.
The rain shadow effect (as seen in Las Vegas) is a result of which three of Earth's spheres interacting?
Geosphere, hydrosphere, and atmosphere
A flood damages the plants in Baton Rouge, making it harder for the native animals to thrive. This is an interaction between which two of Earth's spheres?
Hydrosphere and biosphere
The reason we only see Orion in the winter is because ____ is moving through space.
Earthquakes occur when two _____ move against each other.
Tectonic plates