Environment
Why are birds considered to be engineers?
Their incredible skill at making strong nests.
What is energy?
The power or ability to be active and the strength of body or mind to do things or to work.
What is engineering?
The branch of science and technology concerned with the design, building, and use of engines, machines, and structures.
What are two types of nests that birds make?
Long-lasting, small and flexible, oriole, no-fuss, precarious cliffside, floating, underground, early nesters.
What is an example of something that requires energy?
Running, jumping, breathing, and more.
What is a pendulum?
A weight hung from a fixed point so that it can swing freely backward and forward, most often a rod with a weight at the end that regulates a clock.
Why don't water and oil mix?
Water molecules have an unbalanced bond, where oil is balanced, making the oil molecules more attracted to other oil molecules and vice versa.
What are ways that we can get more energy?
Eating, drinking, sleeping, and more.
What does an anemometer measure?
Wind speed.
What animal can hear the highest frequencies (highest pitched sounds)?
(Greater wax) Moth
How do sound waves travel through the air?
Sound waves are longitudinal waves in which the particles carrying the sound move back and forth.
How does a catapult work?
It throws objects from one end because it is anchored down at the other end.
What does it mean to be aerodynamic?
To move through the air efficiently.
What are the two types of energy involved in the motion of a rollercoaster?
Potential energy and kinetic energy.
How do dams generate electricity?
The movement of the water activates a generator, which produces electricity.