Properties of Air
What is air?
a. A mixture of gases that surround Earth.
b. gases of air on Earth
The properties of air are: Air takes up ____
Air has w e i __ h t
Air _________ on things
a. A mixture of gases that surround Earth
Air takes up space
Air has weight
Air presses on things
a.What percentage of the Earth is covered by water?
b. One tenth or 10% is _____water.
c. Nine tenth or 90% is _____ water
a. 75%
b. fresh water
c. salty water
1. What is meteorology?
The study of w_________ and a___________
2. Who is a scientist that studies weather and measure weather conditions?
a. The study of weather and atmosphere
b. Meteorologists
There are ___ planets in our solar system.
All of the planets orbit the sun. This means they _____ _______ the sun.
The sun is a huge, ball of hot ______ that gives off radiant energy.
8 planets
move around
gas
What is matter?
Matter is anything that has _____ and takes up _____. Matter can be found ev_________.
Name three states of matter and they are _______, _________ and ________.
Anything that has mass and takes up space.
everywhere
Liquid, gas and solid
Name the two gases that make up majority or most of the air we breathe.
N. O
Nitrogen
Oxygen
Waves, tides and currents cause the ocean to move. Water move from ocean to rivers called _______.
Wind blowing over the top or surface of the ocean cause a ______ to form. It rises and falls.
a. Currents
b. wave to form
Name two weather conditions
________is the condition of the atmosphere at a certain time.
1. Temperature 2. air 3. precipitation 4. wind speed and direction.
Weather
The planets in our solar system can be divided into two groups. They are the _________planets and _______planets.
The asteroid _______ separates the planets.
A planet is a large body of _______ or ______that orbits the sun.
inner planets and outer planets
belt
rock or gas
If you put water in the freezer what will happen?
It changes from liquid to _________
a. gas b. solid c. kool aid
Water is liquid. Air is _______.
the water will be frozen to ice.
From liquid to solid
Air is gas
The blanket of air that surrouds Earth is called ____________________.
Clue: atmo _______. The air around us is always m__v__i n g.
Atmosphere
moving
What holds things down on earth?
a. Gravitational force b. magnet
a. gravitational force
___________is the condition of the atmosphere at a certain time and place.
___________ is the average weather conditions over a long period of time.
Difference: certain time and another is long period time.
Weather
Climate
Name the four planets closest to the sun. They are known as _________ planets.
They are known as _______ giants.
a. gas b. hot
Mercury, Venus, Earth and Mars
a. gas
Physical Properties can measure using the _______
a. mass b. senses
include shape, size, texture, hardness, ordor, state,mass and______
senses
color
What do we need that's important for us to survive?
a. shoes b. blanket c. oxygen
c. Oxygen
The rise and fall of oceans, seas and bodies of water are connected together causing a _____
a. tide b. erosion c. wave
a. tide
Temperature is a measure of how _____ or ______ something is.
When the air is hot numbers _________
When the air is cold numbers fall _________
The thermometer has two scales for measuring temperature F_______ and C________.
hot or cold
increase
decrease
Fahrenheit and Celsius
The planet _______ is known as the evening or morning star.
Which planets have rings, colder surfaces and many moons?
a. inner planets b. outer planets
Venus
Outer Planets
True or False Things that contain more matter have less mass.
Oxygen is ________
a. liquid b. gas c. solid
How many types of simple machines are there?
Inclined plane is used to ______. Wedge is used to ______ objects apart.
False
b. gas
6 simple machines
lift and push
Which lowest layer of the atmosphere closest to Earth does weather take place?
a. Mesopshere b. Troposphere
b. Troposphere
When do high tide and low tide occur or happen?
Water tilt back and forth because gravitational pull of the moon
_____Movement of air a. wind b. temperature
_____how hot or cold something is. a. wind b. temperature.
______ water from the atmosphere that falls to the ground. a. Precipitation
Look at the weather instruments on page 52. Name each the instrument and what it measures.
Wind- movement of air
Temperature how hot or cold something is.
Precipitation- water from the atmosphere that falls to the ground.
Which is the only star in our solar system?
a. sun b. planet c. moon
Which planets do not have rings, no more than two moons, rocky surfaces, warmer?
a. Inner planets b. outer planets
a. sun
b. Inner planets
What is a force?
a. push or ______ between objects.
Motion is a change in __________.
Work is the measure of force it takes to _____ an object a certain distance.
Which tool measure pulls? a. balance b. spring scale
push or pull
position
move
spring scale