Cells
What are the tiny structures inside a cell called?
Organelles
The force that pulls us to the Earth's surface
Gravity/Gravitational Force
Name 3 systems
Respiratory, circulatory, nervous, digestive, etc.
What is a fulcrum?
The center balancing point of a lever
Name the water cycle
precipitation, evaporation, and condensation
What is the "powerhouse" of the cell?
Mitochondria
What is friction?
The resistance of rubbing 2 objects together
What does the digestive system do?
Helps digest foods in the body
Draw a diagram of a 1st, 2nd and 3rd class lever on the board.
If you failed boooo, otherwise yipee
What is runoff?
Water from precipitation and snowmelt that flows over Earth's surface.
Name 2 organelles in plant cells but not animal cells BONUS: Can you name a third?
Cell Wall, Chloroplasts, and Plastids
What 2 components are common in all forces?
Direction and Magnitude
What does the nervous system do?
It sends and receives signals of pain
What is needed in a proper lever?
Force, load and a fulcrum
What is an example of sublimation in the real world?
Dry Ice
What is the difference between RNA and DNA?
RNA is single-stranded and DNA is double-stranded
Name 3 examples of compressive forces in 20 seconds
______________
What does the circulatory system do? BONUS: What is another name for the circulatory system?
The circulatory system is responsible for circulating blood throughout the body. BONUS: Cardiovascular system.
What is mechanical advantage? BONUS: What is the formula for MA?
The ratio of the output force to the input force. BONUS: MA=Output/Input
What is the process of a gas turning into a solid?
Deposition
What organelle(s) are rarely found in plant cells?
Lysosomes and Centrioles
Name 3 examples of rotational force in 20 seconds
_____________
What does the respiratory system do?
Helps you breathe (in charge of the lungs)
When would a third class lever be the best choice of lever?
It is useful because it could help with a larger load and speed of an object
What is an aquifer?
A geological formation of loose rock or soils saturated with groundwater.