Earth In Space and Time


Earth in Space and Time

Grade: 1

Subject: Science

Humans continue to explore Earth's place in space. Gravity and energy influence the formation of galaxies, including our own Milky Way Galaxy, stars, the Solar System, and Earth. Humankind's need to explore continues to lead to the development of knowledge and understanding of our Solar System.


SC.1.E.6.1 Recognize that water, rocks, soil, and living organisms are found on Earth's surface.

SC.1.E.6.2 Describe the need for water and how to be safe around water.

Minerals found on Earths Surface

Soil- the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of plant and rock particles along with alive and dead animals.

Water-Fluid necessary for all organisms to survive.

Rock-Rocks and stones are naturally occurring solids made up of minerals from earth.


Soil Profile ,Soil Layers - Video for Kids

Soil and Rock

Types of Soil

Soil is sometimes classified as clay soil, sandy soil, and loam.

  • Clay soil is very tightly packed. Because there is little oxygen and it’s hard for water to move through, it’s not great for growing plants.
  • Sandy soil is very loose, and it doesn’t provide a very sturdy base for plants. In addition, sandy soil may be poor in nutrients.
  • Loam is the best type of soil for plants because it combines equal amounts of clay and sandy soils. It’s neither too dense nor too loose.

Rock Cycle

Rocks are in a state of constant change. Rocks can be changed by heat, pressure, and weathering forces, like wind and precipitation. So what do rocks change into? Mainly other types of rocks!

  • Sedimentary rock is formed from the accumulation of weathered rock particles over long periods of time.
  • Igneous rocks are formed from cooled-off magma, which is made of melted rock.
  • Metamorphic rock is made of igneous or sedimentary rock that’s been changed by tremendous amounts of heat and pressure.
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Every living organism needs water to survive, just like we need the sun! But did you know we can only drink 2% out of the 75% available on planet earth!

  • Fresh water is threatened because of water pollution and depletion.
  • Much of the water that humans use can’t be recycled easily.

That's why it's important to conserve water, which is easier than you may think!

You can conserve water by:

  • turning off the tap while you're brushing your teeth
  • taking as short a shower as possible.
  • Don't use the toilet as a wastebasket.

It might seem small, but when everyone makes little changes, it can make a big difference!

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