Test is tomorrow:
What time of day are shadows the longest?
****Early in the morning and late in the afternoon
In what part of the world will the sun be in the northern part of the sky?
****Southern hemisphere (Australia)
Southern part of the sky?
****Northern hemisphere (Iowa City)
Sundials are not accurate every day of the year. Why?
****Every day has a different amount of sunlight
Factors for pendulum experiments:
**Pull-back, length of string, weight
Factors that affect # of swings in 15 seconds:
****Length of string
Factors that will NOT affect # of swings in 15 secs:
****Weight, pull back
Factors affecting water clocks:
****End size, funnel size, weight
The heavier the water clock, the faster it will sink TRUE
The bigger the funnel, the slower it will sink TRUE
The smaller the end opening is, the faster it will sink FALSE
What TWO time measurements are based on actual natural phenomena?
****Day (24 hours for the Earth spin on axis)
****Year (365.25 days for Earth to go around the sun)