Unit 1 Week 4

Front

structure

Back

something that has been built, like a building.

Front

supported

Back

an object that holds something up or together

example: steel beams hold up a building

Front

inventions

Back

things that have been created for the first time

Front

feature

Back

a feature is an important quality or part of something

Front

thrilling

Back

to be exciting

Front

gravity

Back

a force that pulls objects toward each other

Front

accelerate

Back

to move or cause to move faster

Front

capabilities

Back

to have needed skills, powers, or abilities

Front

inquiry

Back

a search for information

Front

friction

Back

a force between surfaces that slows objects or stops them from moving