Rocks and Minerals
Evoultion
Earth in Space
Waves
Force and Motion
100
Forms when molten rock (magma) cools and hardens.
What is igneous rock
100
Are divided into periods
What is an era
100
Based on the 24 hours it takes Earth to rotate.
What is a day
100
a repeating disturbance or vibration that transfers or moves energy from place to place.
What is a wave
100
The location of an object.
What is its position
200
Forms from the compaction and/or cementation of rock pieces, mineral grains, or shell fragments called sediments.
What is sedimentary rock.
200
A trait or behavior that helps an organism survive and reproduce.
What is an adaptation
200
Occurs when Earth is directly in-between the Sun and the Moon, blocking the Sun’s light so that Earth’s shadow hits the Moon casting a shadow over the Moon.
What is a Lunar Eclipse
200
a material through which waves can travel. It can be a solid, liquid, or gas.
What is a medium
200
The line, or path along which something is moving, pointing, or aiming.
What is the direction
300
hardness, luster, color, texture, the way a mineral splits, or density
What are physical properties
300
Both natural and man-made factors can contribute to this ending of life.
What is extiction
300
When the Sun and the Moon are aligned the high tides are higher and the low tides are lower.
What are spring tides
300
Require the particles of the medium to vibrate in order for energy to be transferred.
What is a mechanical wave
300
A graph that can be used to represent how both speed and distance change with time.
What is a Distance-Time Graph
400
Minerals that are mined because they contain useful metals or nonmetals.
What are ores
400
Humans are also part of the most recent era
What is the Cenozoic Era
400
because Earth's axis is tilted in the same direction as it moves around the Sun these occur.
What are seasons
400
Waves that can travel through matter or empty space where matter is not present.
What are electromagnetic waves
400
When the slope of the line is steep, the speed of an object is this.
What is faster (Fast)
500
Natural, solid materials found on Earth that are the building blocks of rock
What is a mineral
500
Geologists divide the time between Precambrian and the present into three long units called e,ras with the names...
What are the Paleozoic, Mesozoic, and Cenozoic
500
The day when the tilt of Earth causes the length of day to be the longest or the shortest
What is a solstice
500
A measure of how many waves pass a point in a certain amount of time.
What is frequency
500
Average speed can be calculated using the formula
What is v=d/t