WorksheetsScience 4.2
Total questions: 85
Worksheet time: 1hrs 15mins
The Earth is covered by a thin blanket of air called what?
It is where weather happens.
(a)
Refers to the condition of the atmosphere at a given time. It can change anytime of the day.
(a)
What are the 4 elements of weather?
Is how hot or cold the air in the atmosphere is.
Air Temperature
It is hot when the temperature is (a) .
It is cold when the temperature is (a) .
What is used to measure air temperature?
(a)
Air temperature is affected by the sun.
true
false
Refers to the amount of clouds in the sky as observed from one location.
(a)
The amount of clouds in the sky depends on how hot the day is.
true
false
When it is hot, the sky is usually covered with clouds.
true
false
Clouds increase in number when it is cold.
true
false
Causes the Earth's surface and atmosphere to cool down or warm up.
(a)
Is the rain, snow, sleet, or hail that fall to the ground.
(a)
When clouds are _______ and ______, more precipitation falls.
thin/bright
thin/dark
thick/light
thick/dark
If clouds are ______ and _______ there is less chance of precipitation.
thin/clear
thin/dark
thick/light
thick/dark
It is air in motion. It is caused by the uneven heating of Earth's surface.
(a)
Wind is caused by the uneven _______ of Earth's surface.
cooling
heating
Which is lighter?
warm air
cool air
Which is heavier?
cool air
warm air
Warm air is heavier and cool air is lighter.
true
false
Which one rises?
cool air
warm air
Which one sinks?
cool air
warm air
What are the different types of precipitation?
It is the study of weather.
(a)
What do you call the weather experts?
(a)
What is the agency that monitors the weather in the Philippines.
(a)
What is the meaning of PAGASA?
What are the 4 different types of weather?
The sun shines brightly and the sky is clear. There are few to no clouds in the sky at all. The air temperature is hight and the wind is calm or slightly breezy.
cloudy
sunny
rainy
stormy
Many clouds cover the sky. The air temperature is low. The wind may be calm or slightly breezy.
cloudy
sunny
rainy
stormy
Has many dark clouds, which bring rain. The sun is covered by clouds, and the air temperature is low. There is soft to mild wind. It may feel cold.
cloudy
sunny
rainy
stormy
There are dark clouds, heavy rains, and strong winds. Sometimes. there are lightning and thunder. Air temperature is low. Can cause power outages, floods and landslides.
cloudy
sunny
rainy
stormy
How will you consider a weather as good?
How will you consider a weather as bad?
Which weather are considered as good?
sunny
rainy
cloudy
stormy
Which weather are considered as bad?
sunny
rainy
cloudy
stormy
Weather is good when it is safe for everyone to do their daily activities.
true
false
Weather is bad when the safety of everyone is at risk.
true
false
These are observed to describe the day's weather.
sun
air temperature
clouds
water
wind
Describe a sunny weather.
sun is bright
there is low air temperature
there are little to no clouds
the wind is calm/slightly breezy
there is high temperature
Describe a cloudy weather.
the sky is clear
the sky is covered with clouds
air temperature is low
the wind is blowing lightly
there is a chance of precipitation
Describe rainy weather.
air temperature is low
skies are filled with dark clouds
there is precipitation
wind is calm
soft to mild wind
Describe stormy weather.
air temperature is low
skies are filled with dark clouds
heavy rains
the sun is shining brightly
strong winds
It is the scientific estimate of future weather condition. It is based on the behavior of different elements of weather.
(a)
It is the Earth's primary source of light and heat energy.
(a)
The sun is one of the many stars in the solar system,
true
false
It is a big ball of gases that gives out light and heat that warms Earth. Thse forms of energy make life on Earth possible.
Stars
The sun rises from the ___________ and sets from the __________.
east/west
west/east
east/north
east/south
The sun is at its highest position in the sky by what time?
At noon, the sun's heat is at its most intense.
true
false
Weather forecast are just predictions based on meteorological observations.
They can change any time of the day.
true
false
The intensity of the sun lessens as it sets. Its light begins to dim until darkness takes over the sky.
true
false
As Earth rotates, half of it faces the sun. The part of Earth that is away from the sun experiences __________.
daytime
nighttime
It is Earth's only natural satellite.
(a)
Is a space body that orbits a planet, a planet-like object, or an asteroid.
Describe the moon.
It is one-third of Earth's size
The whole moon can be seen from Earth
It does not have its own light
Only the part of the moon that is hit by sunlight can be seen from Earth.
It appears to change shape every night.
Like the sun, the moon crosses the night sky from east to west. It appears to rise and set, just like the sun.
true
false
The closest start to Earth is the sun.
true
false
The stars are like the sun, they are big balls of gases that give off heat and light, too. They appear small in the sky because they are very far away.
true
false
Name 3 more space objects that go around the sun.
Is a big spherical collection of dust, gas, or ice that has its own gravity and goes around the sun.
(a)
Can intense sunlight cause blindness?
yes
no
Name 4 harmful conditions caused by the sun.
This is caused by too much exposure to sunlight. The skin becomes reddish.
- can be tender and painful
- in severe cases, skin blisters and peeling may occur
(a)
It is caused by severe heat. The person suddereing from this may feel any of the following:
- confusion
- unconsciousness
- throbbing headache
- dissiness and light-headedness
(a)
A person does not have to be under the sun to suffer fro heatstroke. Strenuous activities, like exercise or sports, and the heat from the surroundings can warm the body.
true
false
Is also caused by severe heat. The body is not able to maintain its desired temperature. It cannot cool down fast enough.
(a)
The heat of the sun can dry the fluids on the body and cause (a) . The person suffering from this may feel extremely thirsty and weak.
The effects of the moon.
provides light to travellers, seamen, and fishermen
helps people enjoy evening garden parties
if moon is not visible, stargazing can easily be done
helps plants make food.
Tides and landforms and water forms coil down making the air temperature lower and cooler.
Unlike humans, plants and animals cannot be dehydrated by the sun and die.
true
false
The moon's nearness to Earth causes tides. The gravity exerted by the moon on Earth pulls the waters of Earth and produces tides.
true
false
The contnuous movement of water from liquid form to gas, then back to liquid.
Too much heat from the sun can dry uo the soil (drought). It also causes the ice caps and glaciers to melt.
true
false
These are ways to stay safe from the harmful effects of the sun, except for:
Put sunblock and wear sunglasses when going out if it's sunny
Wear light clothing and stay under the shade
Stay hydrated, drink at least 8 glasses of water daily
Provide water and shade to plants and animals too
Swim at noontime to cool down
Provides relief from discomfort caused by sunburn.
Aloe vera
The position of the sun in the sky does not affect its brightness and the amount of heat it gives Earth.
true
false
Rocky object that orbits the sun.
(a)
Small, icy body that orbits the sun.
(a)
What's the size of the moon compared to Earth?
The moon is 1/3 the size of Earth.
The (a) of the earth on its axis causes day and night.
These are some of the benefits of the sun except for...
Keeps the body warm
Helps us see things
Gives us our daily dose of vitamin C
Source of electricity
Allows us to do different daily activities
What are the benefits of the sun to plants and animals?
Vital component in photosynthesis
Animals get warmth and energy
Affects the sleep-wake cycles of animals
Many animals are active when there is sunlight
Causes the plants water the evaporate.
Animals that are active during the day and sleep at night.
(a)
Animals that are active at night and sleep during the daytime.
(a)
