Vocab
The preserved remains or traces of an organism.
What is fossil?
Fossils can usually be found in layers of _________ rock.
What is sedimentary?
Kinetic energy is proportional to the ____________of an object
What is mass
Conservation of energy means that a. energy can be created but not destroyed b. energy can be destroyed but not created c. energy can both be created and destroyed d. energy can neither be created nor destroyed
What is d. energy can neither be created nor destroyed
Energy appears in two forms. What are they? a.Thermal and light b.Kinetic and electric c.Potential and kinetic
What is c.Potential and kinetic
Variation among organisms in an ecosystem
What is diversity?
Geologists can relatively date fossils using this theory, in which the layers towards the surface are more recent and therefore younger than the layers closer to the inside of our earth.
What is the Law of Superposition?
Potential energy is directly proportional to the ______ of an object.
What is mass?
A bowling ball sitting on the rack a. Potential Energy b. Kinetic Energy
What is a. Potential Energy
The energy of an object due to its motion is ______energy.
What is kinetic energy
The state of no longer existing. The extermination of an entire species.
What is extinction?
______ are useful for identifying geologic time periods and have certain criteria to meet before being labeled.
What is index fossils?
As the potential energy of an object decreases, the kinetic energy of the object ________________.
What is increases?
A bicyclist pedaling up a hill a. Potential Energy b. Kinetic Energy
What is b. Kinetic Energy
Imagine a bird is diving into the ocean to eat a fish. At which point is the bird's kinetic energy the greatest?
What is The bird will have the greatest kinetic energy at the moment of impact with the water.
Scientists can determine the relative age of rocks using a technique called ___________ which measures the amounts of a radioactive substance and its decay.
What is radioactive dating?
The mineralized remains or traces of organisms and the rock layers in which they were found.
What is fossil record?
The amount of potential energy an object has depends on the _________and the ________of the object.
what is mass and height?
An archer with his bow drawn a. Potential Energy b. Kinetic Energy
What is a. Potential Energy
The wind blowing through your hair a. Potential Energy b. Kinetic Energy
What is b. Kinetic Energy
The approximate age of fossils can be determined by putting them into __________ based on the location of the layer in which they were found.
What is chronological order?
The measurement to describe the timing and relationship of the events that occurred throughout Earth's history.
What is Geologic Time Scale?
The amount of kinetic energy an object has depends on the _________and the ________of the object.
What is mass, speed
Kinetic energy_________as speed ________________.
What is increases , increases
A 50 kg boy and his 100 kg father went jogging. Both ran at a rate of 5 m/s. Who had more kinetic energy? a. The boy b. The Father c. Both had the same amount
What is b. The Father