Fourth Grade Science review

Ptolemy's contribution to astronomy was

• the motions of the planets in space
• the theory of a geocentric solar system
• accurate observations and calculations of the planets orbits
• accurately placed the planets orbits

Copernicus's contribution was 

• the planets move in an elliptical orbit rather than circular
• Copernium laws of motion
• the heliocentric system and arrangement of planets
• argued that not all celestial bodies rotate around the earth.  

Galileo's biggest contribution to astronomy was

• his discovery of the 4 moons of Jupiter
• His observations of Venus
• the invention of the telescope
• his argument against the geocentric theory

What is the closest planet to the sun

• Pluto
• mars
• earth
• mercury

What is the 8th planet

• Neptune
• Uranus
• Earth
• Buffalo  wild wings

Whats the biggest planet

• jupiter
• earth
• mars
• neptune

When a warm air mass and a cold air mass meet and neither can move the other, the result is a(n)

• occluded front
• warm front
• stationary front
• cold front

Weather associated with high pressure is generally

• cloudy but dry
• unpreditable
• wet and cloudy
• dry and clear

what weather instrument measures wind speed?

• Barometer
• aneomometer
• thermometer
• rain gauge 

What weather instrument measures air pressure?

• Anemometer 
• Barometer
• Thermometer 
• Rain gauge