Here are the correct words to fill in the blanks for your science worksheet, based on the word bank provided:
1. The oldest rocks on Earth are about
3,800 million years old.
2. Most rocks are covered by soil, trees or
grass.
3. The three main types of rocks at the Earth's surface are igneous,
sedimentary and
metamorphic.
4. Igneous rocks come from
volcanic eruptions.
5. Sedimentary rock is formed from sediment like
sand and clay.
6.
Metamorphic rock is formed deep underground.
7. Minerals are
substances and are found in all rocks.
8. All rocks are eventually worn away by
wind and
rain.
9. Rocks often form
crystals.
10. Basalt is Earth's most
common rock.
Final Answer:
1. 3,800
2. grass
3. sedimentary, metamorphic
4. volcanic
5. sand
6. Metamorphic
7. substances
8. wind, rain
9. crystals
10. common
Parent Tip: Review the logic above to help your child master the concept of rocks and minerals worksheet 3rd grade.
