Show:
Weather and the Water Cycle
Matter
Energy
Earth and the Universe
Random
100
The driving force of the water cycle is?
The sun.
100
What term means a combination of two or more substances that keep their identities?
Mixture.
100
What is the energy of motion?
Kinetic energy.
100
Why do we see the moon at night?
It reflects the light of the sun.
100
How do water currents affect climate?
They move cold and warm water around the globe.
200
The 2 main characteristics that define air masses are?
Temperature and moisture content.
200
What is the smallest unit of a pure substance?
Atom.
200
What is another name for kinetic energy?
Thermal energy.
200
Day and night occur because?
The Earth rotates on its axis.
200
Jet streams are winds with high _______, high _______ air streams blowing ________ to ________ .
speed, altitude west, east
300
What heats up faster, land or water?
Land.
300
As water evaporates, mass ______ and volume _________ . (increases, decreases, stays the same)
mass stays the same volume increases
300
What happens when energy is transferred? (changes form, loses form, stays the same, gains energy)
Changes form.
300
The tilt of Earth's axis causes?
The seasons.
300
The combination of potential and kinetic energy is called?
Mechanical energy.
400
What is the instrument used to measure air pressure?
Barometer.
400
What is the freezing and melting point of water? (In Celsius)
0 degrees Celsius.
400
What are 3 forms of energy? (not potential and kinetic)
Solar, chemical, light, sound, heat, electrical, or magnetic.
400
After the first quarter moon is what moon phase?
Waxing Gibbous.
400
About how long does it take for the moon to complete 1 full orbit around the Earth?
29 1/2 days.
500
Starting with the closest, what are the 5 layers of the atmosphere?
Troposphere, stratosphere, ozone layer, mesosphere, thermosphere.
500
What instrument measures mass?
A scale or balance.
500
What is conduction?
Energy that is transferred by direct contact.
500
What is another name for the spring equinox?
Vernal equinox.
500
How long does it take the Earth to revolve around the Sun?
365 days or 1 year.