What force moves in the oppposite direction?
friction
Give an example of Static Discharge
a lightning, a man touches a doorhandle, after walking on a carpet
What did Elisha Otis invent?
Brakes for the elevator
What force stops a parachute?
air resistance
Give an example of wild weather ? 3 words
storm, hurricane, tornado, flooding
Descrobe water cycle from the point of view of states of mater
liquid into gas/water vapor/ gas/water vapor into liquid
How to make a rain gauge?
take a plastic bottle , cut the top, turn it upside down and place in the bottle.
How to find an average temperature which you measured for 3 days?
day 1+ day2+ day 3 devided by 3
What bird migrates the furthest?
The Arctic Tern
What does the barometer measure?
air pressure
What does the hygrometer measure?
humidity
What happens to two positively charged balloons?
repel
What force draws you to the ground?
gravity
Day1 -5 degrees, day2-2 degrees, day3- 5 degrees Celsius. What is an average?
4 degrees Ceisius
What does the thermometer show?
18/19 degrees Celsius
Name 4 seasons in the correct order.
winter, spring, summer, autumn/fall