2. LET’S PRACTICE!
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Identify the words that will make the statement correct.
1. Plants get (water, sunlight, oxygen) from the soil.
2. (Clay, Loam, Sand) is the best kind of soil for plants.
3. The (roots, stems, leaves) make food for the plants.
4. Plants get (carbon dioxide, oxygen, food) from the
air.
5. Plants need (shelter, water, clothing).
3.
4.
5. Works of Energy
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✗ Energy enables you to do things such as
walking, reading, and talking.
✗ There are many types of energy. Some are
stored in your muscles and some are used when
you move around and play.
✗ Other types of energy are used to light a street
lamp, heat or cool your homes, cook your food,
power cars, buses and planes.
6. Forms of Energy And Its Sources
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✗ There are two types of energy: Stored
energy and working energy.
✗ For example, the food you eat contains
chemical energy, and your body stores
this energy. You release it when you
work or play.
7. ✗ the sources of energy are divided into
two groups: renewable – an energy
source that you can use over and over
again; and
✗ Non renewable – an energy source that
you are using up and cannot recreate in
a short period of time.
https://youtu.be/PLBK1ux5b7U 7
8. Forms of Energy
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✗ Heat energy – comes from the Sun. It makes wet
clothes dry. It is a form of energy that is
transferred by a difference in temperature.
✗ Sound energy – is produced when an object
vibrates. Many things produce a sound like
whistle, guitar, piano, and you.
11. ✗ Muscular energy – is the energy exerted by the human
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body on any object.
✗ Water energy – is a renewable source because it relies on
the supply of water.
✗ Wind energy – is one of the cleanest sources of energy. It is
also the most abundant source of energy on the planet
today.
✗ Electrical energy – makes machines and appliances work. It
can make your life easier.
