Body Breakdown
What is the function of the circulatory system?
Moves blood and nutrients
What is a riparian zone?
The area along a riverbank
What is a solute?
The substance being dissolved
What is the law of reflection?
Angle in = angle out
What machine uses teeth to transmit force?
Gears
What does the nervous system control?
Senses and body actions
What is desalination?
Removing salt from seawater
What does “soluble” mean?
Can dissolve
What does a convex lens do?
Focuses light rays
What is a compound machine?
A device made of 2+ simple machines
What are the levels of organization in the body?
Cell → Tissue → Organ → System
What’s the difference between spring and neap tides?
Spring = high difference; Neap = low difference
What happens to a liquid’s viscosity when heated?
It decreases (flows faster)
What’s one difference between reflection and refraction?
Reflection = bounces; Refraction = bends
What’s the pressure formula?
Pressure = Force ÷ Area
What organelle controls the cell?
Nucleus
What is an aquifer?
Underground layer that stores groundwater
What’s neutral buoyancy?
Density is equal to the fluid; object suspends
What does a longer wavelength mean?
Less energy
What system uses compressed gas to do work?
Pneumatic system
What organelle is only found in plant cells?
Chloroplast or Cell wall
What causes deep ocean currents?
Temperature and salinity differences
Why is water called the universal solvent?
It dissolves more substances than any other liquid
What causes refraction?
Light changing speed as it enters a new material
What’s the gear ratio of a 10-tooth driver and 30-tooth driven gear?
3:1