Name 2 steps in the engineer design process
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Imagine
Plan/Design
Build a model
Test
Improve
Name the 3 rock types
igneous, sedimentary, metamorphic
Name 3 types of energy.
Chemical
Radiant
Nuclear
Electrical
Thermal
Sound
Electromagnetic
Where does ALL the energy in a food web start with?
the suns light energy
What is heavier, 1000 pounds of bricks or 1000 pounds of feathers?
They weight the same.....1000 pounds
What word is being defined:
What must enter a system in order for it to work
Input
Which rock type begins the rock cycle?
Igneous
Name 2 types of potential energy.
Chemical
Nuclear
Gravitational
Elastic
Organisms obtain their matter and energy in 3 ways. List the 3 ways.
producer
consumers
decomposers
How many continents are there?
7
Name 3 constraints of an engineering a design
Time
Cost
Resources
Space
Name all 3 processes when rocks are broken and moved from place to place
weathering
erosion
deposition
Name 2 of the 3 types of thermal energy transfers
conduction
radiation
convection
Give an example of a primary consumer
rabbits
deer
grasshopper
Name 4 elements
hydrogen. oxygen. nitrogen. helium. copper. gold. aluminum. neon. sodium. potassium.
What is a prototype?
a pe-model of a design
What causes most of the rock cycle to start creating new rocks?
Tectonic Plates (earths interior energy)
Name 5 items with different wavelengths on the electromagnetic spectrum.
Radio
Cell Phone
Microwaves
Visible Light
Infrared light
Xrays
Gamma Rays
Put the words in order by levels of organization:
molecule
cell
atom
organism
atoms - molecules - cells - organisms
What temperature are human bodies at?
98.6
What does a tensile machine test?
strength of a material
AND give an example.
Minerals.
salt. halite. calcite. sugar.
What is the equation for work?
**energy is defined as the ability to do work*
work = Force (J) x distance (m)
O2 + C6H12O6 = H2O + CO2 + ATP
How many organs do humans have?