Gr. 6 Ch. 1-4 Flashcards
Originator of the sun-centered universe idea
Copernicus
Earth-centered universe originator
Ptolemy
The man who came up with the three laws of planetary motion
Kepler
Who had the idea of the law of universal gravitation
Isaac Newton
A symmetrically shaped oval
An ellipse
Name that means the “wanderers”
Planets
The distance between the earth and the sun
Astronomical unit
The force of attraction that exists between any two objects
Gravity
The two points inside an ellipse
Foci
The phase of the moon displaying the most light
Full moon
The tide that occurs when the moon is in line with the earth and sun
Spring tide
This is made up of the sun and all the heavenly bodies that orbit it
The solar system
These are the only two planets with no moons
Venus and Mercury
The Earth completes one of these in 24 hours
Rotation
The amount of time it takes for a comet to complete its orbit
Period
The length of a solar year
365 1/4 days
And astroid sized chunk of rock dust and ice that develops a huge bright tail as it approaches the sun
Comet
This is a band of comet like objects located beyond the orbit of Neptune
Kuiper belt
List of the planets in order from the sun
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Know the following cave formations
Draperies, cave pearls, flowstone stalactites
Know the following flower parts
Sepal, petal, stamen, pistil, ovule
Know the following constellation
Andromeda, Centaurus, Draco, Cygnus, Cassiopeia
This has the ability to regenerate lost body parts
Crustacean
This has two distinct body regions
Spider
This has three pairs of jointed legs
Insect
This has strong pinchers
Crustacean
This has eight legs
Spider
This has one or more pairs of wings
Insect
Describe the process and purpose of photosynthesis. Include three important facts.
Plants use light, water and air to make food. This process is called photosynthesis and happens in the leaves of green plants. The purpose is to make food for the plant in the form of glucose. Oxygen is released into the air as a by-product.
Explain the difference between a solar eclipse and a lunar eclipse.
A solar eclipse takes place when the moon blocks the sun from our view. A lunar eclipse takes place when the moon passes directly behind the earth: the earth briefly blocks sunlight from the moon, causing the moon to appear darkened.
This kind of volcano is formed by alternating layers of tephra and lava. Mount Saint Helens is an example of this.
Composite volcano
Magma that has reached the earths surface
Lava
The study of earthquakes
Seismology
Scientists who study the structure of the earth
Geology
The place at ground level that is directly above the focus of an earthquake
Epicenter
Earthquakes sometimes cause these monstrous waves
Tsunamis
Name the three main sections of the earth
The core, the mantle, and the crust
Sand and mineral fragments that have been pressed together form this kind of rock
Sedimentary
Rock that has been changed by extreme heat or pressure into a new kind of rock is known as this
Metamorphic
Over 75% of the earth surface is covered with this kind of rock
Sedimentary
Rock formed when molten rock solidifies
Igneous rock
