4.6-4.9

The boundary formed when two different air masses meet is called a-

• Season
• Front
• Meeting of the masses
• Weather boundary

Which type of instrument is used to measure air pressure?

• Humidifier
• Altimeter
• Barometer
• Anemometer

What type of storm is small but an extremely violent, twisting storm that extends from a cumulonimbus cloud?

• Hurricane
• Thunderstorm
• Tornado
• Blizzard

What does a spinning anemometer show?

• The amount of air pressure
• The temperature
• The amount of rain that is falling
• The speed the wind is blowing

Which planets are gas giants?

• Jupiter, Neptune, Uranus, Saturn
• Mars, Earth, Venus, Uranus
• Jupiter, Venus, Mercury, Saturn

Which planets are gas giants?

• Jupiter, Neptune, Uranus, Saturn
• Mars, Earth, Venus, Uranus
• Jupiter, Venus, Mercury, Saturn

Which planets are terrestrial planets?

• Earth, Mars, Jupiter, Neptune
• Earth, Mars, Mercury, Venus
• Earth, Jupiter, Uranus, Venus

Which planets in our solar system have rings around them?

• Jupiter, Neptune, Mars, Saturn
• Earth, Mars, Neptune, Venus
• Jupiter, Neptune, Saturn, Uranus

Which planet has an atmosphere that is thin and has a surface with a vast network of canyons and riverbeds on it?

• Neptune
• Uranus
• Saturn 
• Mars

Which planet has a permanent blanket of clouds that traps heat and has surface temperatures hot enough to melt lead?

• Earth
• Mercury
• Mars
• Venus