A community that includes all living and nonliving things found in a certain area
What is ecosystem?
100
A path along which electric charges can flow.
What is electric circuit?
100
A push or a pull.
What is a force?
100
Weathering and Erosion are different because_________.
What is weathering is the breaking of rock and erosion is the movement of sediment from one place to another?
100
A dinosaur footprint found under layers of rock.
What is fossil?
200
Some organisms must get energy by eating other organisms.
What is consumers?
200
For an electrical device to work, the circuit must form a complete loop. This type of circuit is called a ________.
What is closed circuit?
200
A force that opposes motion. It acts between two objects that are touching
What is friction?
200
This is the amount of time it takes the Earth to complete one revolution around the sun.
What is a year?
200
Fossils are formed between layers of _________________.
What is sedimentary rock?
300
Many animals such as walruses, seals, polar bears, and penguins live in polar regions. What characteristic do these animals in the polar regions share that shows how they have adapted to cold weather?
What is thick fur or thick fat layer?
300
The mechanical energy of falling water is used to turn generators that change mechanical energy into electrical energy. This is an example of ______________.
What is hydroelectric energy?
300
A toy car travels down an inclined plane with a certain amount of mass taped on top of it.Joey decided to __________ the amount of mass in order to increase the distance the toy car travels.
A. increase
B. decrease
What is A. increase?
300
The earth is a ________ and has ___________ like the moon.
What is a rock and craters?
300
Fossil fuel formation requires __________ and _________ over millions of years.
What is heat and pressure?
400
The ability to roll your tongue is an __________ trait.
What is inherited?
400
A material that resists the flow of electric charge and or heat is called an __________.
What is an insulator?
400
Laura tested this force by testing skates across three different surfaces, smooth floor, carpet and concrete.
What is friction?
400
The earth has an _____________. Which is a gaseous layer that protects the earth.
What is an atmosphere?
400
Oil was formed in this type of ecosystem.
What is the ocean or body of water?
500
Sun>algae>minnow>bass>Herring
Look at this food chain. If polution caused the algae population to decrease, the population of the Herring would__________.
What is decrease?
500
A material that readily allows electric charges and/or thermal energy to pass through it is called a __________.
What is a conductor?
500
Hailey dropped 1,000 kilograms of feathers, 10 kilograms of bowling balls, and 100 kilograms of books from the top of the school roof. This item landed first.
What is 1,000 kilograms of feathers?
500
This form of energy comes from thermal heat trapped underneath the Earth's surface.