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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 23 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.

Inside a Fire Engine

A fire engine carries everything a crew might need, because there is no time to go back for anything. It holds about eighteen hundred litres of water. That sounds like a lot, but a hose can empty it in under three minutes, so the crew connect to a hydrant as soon as they can. Ladders are carried on the roof. The longest can reach a third-floor window. Inside are cutting tools for road accidents, breathing sets for smoke, and a thermal camera that finds a hot spot through a wall. The engine is red so that it is seen. The siren is for when being seen is not enough.

  1. 1. How is the tank of water connected to the hydrant?
  2. 2. What does the crew do once the tank is running low?
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. Put these in order: lava hardens, rock melts, magma rises.
  2. 2. How are magma and lava connected?

LessonPrint · RI.2.3 · Set 23 · free to copy for classroom use

Answer key — How One Thing Leads to Another

Set 23. Prints on its own sheet.

  1. 1.1. The tank runs out in under three minutes, so the crew connect to a hydrant for more. 2. Connect to a hydrant.
  2. 2.1. Rock melts, magma rises, lava hardens. 2. They are the same melted rock — magma underground becomes lava at the surface.

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