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How One Thing Leads to Another is a free printable Grade 2 English worksheet on describing the connection between events or ideas, aligned to Common Core standard RI.2.3. It prints 2 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 25 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

How One Thing Leads to Another

RI.2.3

NameDate

Read the text, then answer the questions.

1.Read the text, then answer the questions.

How Glass Is Recycled

Glass is unusual. It can be melted and remade for ever without getting any worse. Bottles are first sorted by colour. Clear, green and brown glass have to be kept apart, because you cannot make clear glass from green. The glass is then crushed into small pieces called cullet. Metal lids are pulled out with a magnet. Cullet melts at a lower temperature than the raw materials glass is made from. That means recycling glass uses less energy than making it new. The melted glass is poured into moulds and blown into new bottles.

  1. 1. Put these in order: the glass is crushed, bottles are sorted, the glass is melted.
  2. 2. How is cullet connected to using less energy?
2.Read the text, then answer the questions.

Volcanoes

A volcano is an opening in the Earth's crust where hot rock reaches the surface. Deep underground, rock is so hot that it melts. Melted rock is called magma. Magma is lighter than the solid rock around it, so it rises. When magma reaches the surface it is called lava. Lava can pour out slowly in rivers, or it can burst out in an explosion, depending on how thick it is. As lava cools it hardens into new rock. Layer after layer, this new rock builds the mountain we call a volcano.

  1. 1. How are magma and lava connected?
  2. 2. Put these in order: lava hardens, rock melts, magma rises.

LessonPrint · RI.2.3 · Set 25 · free to copy for classroom use

Answer key — How One Thing Leads to Another

Set 25. Prints on its own sheet.

  1. 1.1. Bottles are sorted, the glass is crushed, the glass is melted. 2. Cullet melts at a lower temperature than the raw materials, so less energy is needed.
  2. 2.1. They are the same melted rock — magma underground becomes lava at the surface. 2. Rock melts, magma rises, lava hardens.

Last reviewed 2026-09-05. Aligned to RI.2.3 of the Common Core State Standards for English language arts.