what is the first step of the engineering and design process?
find a problem
what are standards that help engineers measure how well their design is doing its job?
criteria
what is a change in an objects position called
motion
what happens when an object reaches its melting point?
what is the name of the scientist who studies fossils
paleontologist
what is the second step of the engineering and design process?
plan & build
what is a working model called?
a prototype
what are the two things that velocity is made of?
speed and direction
evaporation is a phase change from a _____ to a _____.
liquid;gas
What type of rock are most fossils covered by?
Sedimentary rock
what is the third step of the engineering and design process?
test and improve
what is any device that people use to meet their needs and solve practical problems called?
technology
in order to make an object move farther/faster, what can you do to the object?
Use more force
which planets have rocky surfaces?
venus, earth, mars
hardened sap is called what
amber
what is the fourth step of the engineering and design process?
redesign
when engineers use their knowledge of science and math to solve everyday problems
engineering
What is the force that pulls objects together called?
gravity
While observing a planet through a telescope, a scientist observes a natural satellite orbiting the planet. What is the best classification for this satellite?
a moon
what is it called when a lot of different species die at the same time
mass extinction
what is the last step of the engineering and design process?
communicate/share your findings
a push or a pull on an object
force
What is a force that opposes motion called?
fricition
name the planets in order.
mercury, venus, earth, mars, jupiter, saturn, uranus, neptune.
how do most scientist believe that the dinosuars died?
giant meteor crash