Energy
What is kinetic energy?
energy of motion- object is moving
What is force?
Any push or pull on an object
What is a conductor, and what is an insulator?
conductor lets energy flow easily
insulator blocks energy from flowing
What is the most important muscle in your body and how does it work?
Your heart- it works by pumping blood to other organs and part of the body.
What is the most important thing your bones do?
Protect your organs.
What is potential energy?
stores energy- the object is not moving
When air pushes back on an object
What is the purpose of a battery?
What is the difference between voluntary and involuntary muscles?
Voluntary muscles are ones you can control (arms, legs, etc.). Involuntary muscles are ones you cannot control (stomach, heart, etc.)
What mineral is important for bone growth?
Calcium
What is a Rube Goldberg machine?
A machine with a chain of events
What is friction?
A force that occurs between two surfaces when they touch that resists motion between them.
What particle is energy made of?
Electrons
What muscles in your leg help you jump?
Quadriceps and hamstrings
What are joints?
Parts of the body that connect bones and help you bend, twist, etc.
What is the energy shift of a rubber band when you sling shot it?
Potential --> Kinetic
What was the key to a successful pom pom launcher?
The balloon needed to be very tight
Name the materials needed to make a light turn on.
Light bulb, copper wires, tin foil, battery
What is tendons?
Tough cords of tissue that attach your skeletal muscles to your bones.
Where is your femur?
Upper thigh bone
Name all forms of energy (not types).
Mechanical, electrical, light, thermal, sound
How does a sailboat work?
The wind pushes against the sails from behind the boat
What does LED stand for?
light emitting diode
What is a skeletal muscle?
Muscles attached to bones that help you voluntarily move (walking, lifting, etc.)
What does the spinal cord do?
Carries messages between the brain and body.