Matter & Energy
Force & Motion
Force & Motion2
Earth & Space
Earth & Space 2
Organisms & Environment
Organisms & Environment 2
7th Grade Review
100
Anything that has mass and takes up space is known as...
MATTER!
100
Any push or pull can produce a __________
FORCE!
100
This type of energy is what something has when it is in motion.
What is Kinetic Energy?
100
Most of the Earth's water is found here.
What is the oceans?
100
This area is where all water drains to the lowest elevation.
What is a watershed?
100
This scientific term describes all of the non-living components of the ecosystem.
What is an abiotic factor?
100
-The Galapagos Island Finches (birds)
-How giraffes developed their long necks
-The peppered colored moths on tree bark
These are all examples of the natural process of...
What is natural selection?
100
What is the breaking down of rocks?
What is Weathering?
200
What do we call pure substances which cannot be broken down or changed?
What is an Element?
200
This FIRST Law of Isaac Newton states that an object in motion will...
STAY in motion!
200
This is known as the tendency of an object to resist a change in motion (also part of Newton's First Law of Motion).
What is inertia?
200
Lakes, rivers, glaciers, ground water, and polar ice caps are all examples of this.
What is fresh water around the world.
200
When two divergent oceanic plates separate slowly by seafloor spreading, they form this bowl shaped region also known as an--
What is an ocean basin?
200
Describe 2 pieces of evidence that support the theory that tectonic plates move
Earthquakes, volcanic eruptions, tsunamis, sea floor spreading.
200
This is the process by which the plant and animal species of an area changes over time, gradually becoming more diverse, for example from a barren wasteland to a small grassland to a stable forest ecosystem.
What is ecological succession?
200
This scientific process is how plants take matter that is not food (light, air, water, and soil) and turn it in to matter that is food.
What is photosynthesis?
300
Water, or H2O, is an example of this type of pure substance made up of two or more different types of elements/atoms.
What is a compound
300
A distance vs time graph plots the path of an object in motion. If an object in motion suddenly stops, then continues on their path, the graph should show this type of line.
Horizontal
300
This type of force causes a change in motion.
What is an unbalanced force?
300
Alfred Wegener was the German scientist who developed this theory that the continents were once joined together in a single supercontinent called Pangea that slowly drifted apart.
What is Continental Drift Theory?
300
The process by which one tectonic plate sinks below another, and re-melts the solid rock in the mantle.
What is subduction?
300
Energy in animals' food that is used for body repair, growth, motion, and to maintain body warmth was once energy from this.
What is the Sun?
300
This part of an energy pyramid represents the least amount of available energy.
What is the top?
300
Alfred Wegener was the German scientist who developed this theory that the continents were once joined together in a single supercontinent called Pangea that slowly drifted apart.
What is Continental Drift Theory?
400
This reason explains why the process of rusting is considered a chemical change rather than a physical change.
What is "because it involves the formation of a new substance"?
400
When calculating the NET force acting on an object, you would do this math operation if they are in the same direction.
ADD them UP!
400
This is the difference between speed and velocity.
What is velocity has direction?
400
Volcanoes are most likely found at this type of plate boundary.
Convergent
400
This type of pollution comes from different sources, for example: agricultural runoff, littering, spraying pesticides, industrial waste, cars, etc.
(Choices: point-source or nonpoint-source) pollution
What is nonpoint-source pollution?
400
All living things must meet these criteria ......
EX: "are made up of...."
Made of cells, contain DNA, reproduce, grow, react to its environment, require energy (food)
400
Another name for inherited traits that allow an organism to survive, reproduce, and pass on its genes to the next generation.
What is an adaptation?
400
The dropping off of weathered rock at the end of erosion.
What is deposition?
500
Regardless of the type of change that occurs when heating, cooling, or mixing substances, the total weight/MASS of matter is always_______.
What is conserved? (stays the same)
500
Kaleb is swimming at the district swim meet. He swam the 50m Freestyle in 45 seconds. His speed will be: _______(meters per second or m/s)
10/9 or 1.111 m/s
500
Two forces that are equal in size and act in OPPOSITE directions is known as a ________________ force.
What is a BALANCED force?
500
This force is responsible for keeping the Moon in orbit around the Earth and the Earth in revolution around the Sun.
Gravity or gravitational pull
500
This Law states that the oldest rock layer would be at the bottom and the youngest layer at the top.
What is The Law of Superposition?
500
This process eventually restores (recycles) some materials back to the soil after a plant or animal's death. Detritivores do this.
What is decomposition?
500
In this process, humans select which organisms survive and pass on genetic material, leading to less genetic variation. EX: breeding horses, pitbull dogs, or cattle.
What is Selective Breeding?
500
A material or something that slows or stops the flow of energy, such as heat, electricity, or sound
What is an insulator?
600
Burning a piece of wood is an example of this type of reaction: chemical or physical.
Chemical reaction, atoms are rearranged, and the process is irreversible.
600
It took Carly 15min to run 60 meters. Savannah ran twice that distance in 20min. Who had the faster speed?
Who is Savannah, at 6 meters/min?
600
It took Ryan 12 minutes to walk from his house to Jayden's house, which is 60 meters away. Together they walked for 8 minutes to their school, which is also 60 meters from Jayden's house. What is the average speed of their walk to school?
What is (120m / 20min) = 6m/min?
600
This type of plate boundary is most likely to produce earthquakes.
What is a transform plate boundary?
600
This earth crustal feature is formed when two divergent continental plates separate and create a giant crack in the ground. EX: the best example is found in Africa
What is a Rift Valley?
600
If you go far enough down the food chain, food and primary source of energy for almost any kind of animal can be traced back to this base of an energy pyramid.
What is (Producers) plants?
600
This type of inherited trait is found internally, and can allow an organisms to perform a special function within its body to survive in its environment. EX: humans get a fever when their body senses a foreign invader.
What is a physiological adaptation?
600
This Earth crustal feature is what happens when two divergent oceanic plates separate from one another deep under water.
What is a mid-ocean ridge?
700
-The production of an odor (smell), gas, or light
-unexpected color changes
-unexpected temperature change
-The formation of a precipitate (solid)
These are all evidence of a...
What is a chemical change?
700
This type of force resists the motion of an object, and can be either static, sliding, rolling, and/or fluid.
What is Friction?
700
The graph represents a car headed north. What is the car's average velocity?
What is 45 kilometers per hour due NORTH?
700
These two galactic structures are believed to be the source of comets (balls of dust and ice).
What is the Oort Cloud and Kuiper Belt?
700
This is evidence that the earth is made up of gradually moving tectonic plates that actively shape the Earth's surface.
What is fossils and layers?
700
This is the basic unit of heredity or inherited traits?
What is our genes?
700
Another name for any type of consumer that obtains its energy by consuming or eating other organisms.
What is heterotroph?
700
-The presence of water
-The composition of the atmosphere with oxygen
-The proximity or distance from the sun
These are all reasons why Earth...
What is suitable for life?