The clock has a ______.
Pendulum
The buffalos are _______ the soil.
Plowing
What are these?
arrow and bow
Something that people made many years ago.
invention
The king is riding a _____.
chariot
/What’s this?
Watermill
Name 2 simple machines.
ramp, pulley, lever, wheel and axle, wedge
Before clocks, how do people tell time?
sundial or the sun
Is this a MECHANICAL or DIGITAL clock?
digital
What is your favorite invention? Why?
great!
What’s the most useful invention? How?
awesome!
Is this a MECHANICAL or DIGITAL clock?
mechanical clock
What’s this?
sundial
Which one makes electricity? wind turbine or windmill
Wind turbine
What’s this?
windmill