Energy
A ball is rolling down a hill. To make the ball roll faster you could...
Most important sensory organ
Brain
Why could fewer plants lead to more dust storms?
No roots to hold in soil
How can you see sound waves using a tuning fork?
Put it in water
Ideas engineers use to judge their design
Criteria
3 properties of materials
Name 5 sense organs
Eye, ear, nose, fingers, tongue
Weathering - breaking down
Erosion -moving
Amplitude
Distance from middle to crest or to trough; volume
Limitations to an engineer's design
3 forms of energy
Light, sound, mechanical, chemical, motion, potential, thermal, etc.
A bear that has no memories of a potential food would be cautions when approaching it. A bear with memories of the food would be...
Aggressive in pursuing it
Deposition
Crest to crest or peak to peak; pitch
Topographic maps show...
Changes in elevation
3 sources of energy
Sun, water, fossil fuel, biofuel, geothermal, wind, nuclear, etc.
How do memories benefit animals
Help them decide how to respond
2 Things that must happen for sedimentary rock to form
Compaction, cementation
How do particles move when sound moves through them?
Only a little - vibrations/oscillations
Weather vs. Climate
Weather is day-to-day conditions; climate describes the average over many years
To change from one form to another
Convert
All animal vision systems rely on...
Light
Law that states that older rocks are on the bottom
Superposition
The material a sound travels through
Medium/media
Reason there is more light in summer and less in winter
Tilt of the earth in its orbit around the sun