Earth Systems
Most of Earth's water is located here.
What is the ocean?
A change in how the atoms of one or more substances are arranged. It leads to the formation of a new substance and is usually not reversible.
What is chemical change?
An organism that makes its own food.
What is a producer?
According to the graph on slide 1, which combination of food will bring the most birds to the feeder?
What is Sunflower and Safflower seeds?
A change in a substance that does not involve a change in the identity of the substance.
What is physical change?
What keeps planets in orbit around the Sun?
What is gravity?
This process is responsible for changing liquid water into water vapor.
What is evaporation?
Organisms that get their energy by breaking down wastes and dead plants and animals,
What is decomposer?
Students in Mrs. Smith's class are trying to find the average mass of 5th grade students' backpacks. The information is displayed on the chart. The chart shows that the 5th grade students most frequently have backpacks with a mass of -
What is 2-3 kilograms?
A tube-shaped container that is used to measure the volume of liquids.
What is graduated cylinder?
This location on Earth receives the most direct sunlight.
What is the equator?
A measurement of the amount of matter something has.
What is mass?
A network of overlapping food chains in an ecosystem.
What is a food web?
The table on slide 3 compares some facts about Venus with some facts about the planet Earth. How are the two planets most different?
What is their surface temperature?
Includes all the liquid water in oceans, rivers, and lakes. It also includes the liquid water found in the ground and the frozen water in glaciers and polar ice caps
What is hydrosphere?
A thin surface layer of rock, soil, and sediments as well as the layers of hot molten, or liquid, rock that are inside Earth
What is geosphere?
Characteristics of a substance that can be observed, measured, or changed and used to identify matter.
What are physical properties?
All the living and nonliving things that interact with each other in an environment.
What is ecosystem?
From the chart shown on slide 4, you can predict that for the year 200, Brazil's population will -
A structure or behavior that helps an organism survive in its surroundings
What is adaptation?
Who has the most energy available, the plants at the bottom of the pyramid or the Carnivores at the top?
What are plants?
A mixture that forms when one substance dissolves another.
What is solution?
Shows the transfer of energy from one organism to another in an ecosystem.
What is a food chain?
On the graph on slide 5, students recorded how quickly bacteria reproduced over two hours. If the rate of reproduction stayed the same, how many bacteria would be present after 2 1/2 hours?
What is 32?
What is 12:00pm or noon?