Energy of motion
Which one shows kinetic energy:
A. A girl jumping rope;
B. A compressed spring;
C. A bike on a bike rack;
D. A cat sleeping on a bed
A. A girl jumping rope
What is stored?
Playing a flute, tapping a desk, and raindrops in a puddle all have this in common
What is cause vibrations that produce sound?
On your study guide, the straw the highest pitch was short OR long
What is short?
produced when matter vibrates
What is sound?
The faster an object moves, the _____________ its kinetic energy
What is greater?
Examples are stretched rubber band and compressed spring
What is elastic potential energy?
Large vibrations produce this sound
What is LOUD?
On your study guide, which bell had the lowest pitch
how high or low a sound is
What is pitch?
These two things increase kinetic energy
What are more mass and speed?
Potential energy stored in matter because of the pull of gravity
What is gravitational potential energy?
Fast vibrations produce this sound
What is HIGH pitch?
On your study guide, the highest pitch part of the xylophone long bar OR short bar
ability to produce change and to do work
What is energy?
A sailboat has the most kinetic energy at what speed
A. 5 mph
B. 10 mph
C. 15 mph
D. 20 mph
Examples are food, gasoline, candles and batteries
What is chemical potential energy?
Slow vibrations produce this sound
What is low pitch?
The point on a hill where a boy on a bicycle would have the most potential energy
What is the highest point?
From Study Guide 6: an area where an organism lives
What is habitat?
If two trucks are both moving at 60 mph, which truck has more kinetic energy:
15,000 kg OR 5,000 kg
What is 15,000 kg?
Two ways to increase gravitational potential energy
What is mass and distance?
Small vibrations produce this sound
What is soft?
The point on a hill where a boy on a bicycle would have the most kinetic energy
What is the lowest point?