Write a Strong Topic Sentence
Grade 4 Writing Worksheet

Write a topic sentence for the details.
Read this first
Details
Mittens keep our fingers warm.
A thick coat blocks the wind.
Boots keep snow out of our socks.
Details
The first phones carried only voices.
Later phones had cameras.
Today a phone can show maps and play games.
Details
Mercury is the closest planet to the sun.
Jupiter is the largest planet.
Saturn has bright rings.