Earth & Space Systems
Energy from the Sun is distributed around Earth by - (2 types)
What is radiation and convection
Contains the genetic material "control-center" of the cell
What is the nucleus
Which of Newton's Law is being described: A car stops moving once it crashed into a wall
What is Newton's 1st Law
What is the highest point on a transverse wave?
What is a crest
What makes a plant cell different from an animal cell?
What is a cell wall , chloroplast , large vacoule
What are the most abundant elements that comprise Earth's atmosphere?
What is Nitrogen (78%) and Oxygen (21%)
Annual rainfall totals for an area increase is what type of factor
What is abiotic
This happens when your bring the north pole of one magnet near the north pole of another magnet?
What is repulsion
Name the 5 types of kinetic energies.
What is mechanical, electrical, light (radiant), thermal, sound
List 5 types of renewable resources
What is:
solar energy
wind energy
hydropower
geothermal
biomass
plants
What two factors makes Earth unique from all other planets in our solar system?
What is breathable atmosphere and contains liquid
What are the products for photosynthesis?
What is O2 (oxygen) and C6H12O6 (glucose)
If an atom has 6 protons, 6 neutrons, and 6 electrons, what element is this?
What is carbon
What is the energy transformation in a wind turbine
What is mechanical --> electrical
What is the difference between rotation and revolution?
Rotation - causes day/night cycle (24 hours)
Revolution - causes seasons (365 days)
List 2 disadvantages of nuclear energy
What is:
Expensive to build
Not renewable
Radioactive waste produced
What is commensalism
If you create waves on a rope by moving your hand up and down faster, what happens to the frequency and wavelength?
What is: the frequency increases, the wavelength decreases
What does the chemical formula CaCO3 represent?
What is:
Ca - 1 calcium
C - 1 carbon
O - 3 oxygens
Describe two signs that indicate a chemical change has occurred.
What is: Any two of: production of gas bubbles, change in color, release of heat or light, formation of a precipitate, change in temperature, change in smell?
If the moon were twice as far from Earth, how would this affect the tides?
What is the tides would be weaker/smaller because of gravitational force decreases with distance.
What are the 3 parts of the cell theory??
What is -
All living things are made of cells
The cell is the basic unit of life
Cells come from pre-existing cells
What are ice caps, glaciers, groundwater, lakes, rivers, and snow (accept any three)?
A piece of metal is heated until it glows red. Is this a physical or chemical change? Explain your reasoning.
What is: This is a physical change. The metal is heated and its form/appearance changes (it glows), but the substance remains the same metal.
Describe 3 ways thermal energy can move from one object to another?
What is:
Conduction - direct contact
Convection - liquids & gaes
Radiation - light