3 • Lesson 4 Word List


(n) 1. The usual amount or kind of something.
Twenty students in a class is the average for Edison School.

2. The result of adding a set of numbers and then dividing the total by the number in the set.
The average of 2, 3, and 7 is 4.

(adj) Not special or unusual; ordinary.
Mr. Barnes, who is just over 7 feet tall, is not of average height.


(n) 1. A dividing line between two states or countries.
The Niagara River marks the border between Canada and the United States.

2. The edge of something.
The old tablecloth had a border of fine lace.

(v) To be next to.
The United States borders Mexico to the south and Canada to the north.


(n) The silky case that a caterpillar makes to protect itself for a time before it becomes a moth.
The empty cocoon hanging from the leaf meant the moth had already flown away.


(v) To wave or flap quickly.
Sitting by their clubhouse, Olivia and Victor watched their flag flutter above them.


(n) A small amount of liquid, often in the form of small drops.
Carla sat on the bench and wiped the moisture from her face with a towel.

moist (adj) Damp or slightly wet.
Grass snakes usually live in moist places like the banks of rivers.


(n) A sweet liquid produced by many flowering plants. It is used by bees to make honey.
The bees hummed among the flowers of the cherry tree as they gathered nectar.


(n) A number of steps that one takes in order to do or make something.
In early spring, Uncle Ted and Aunt Flora began the process of making maple syrup by collecting sap from their maple trees.


(n) 1. The distance or a section between two objects or supports.
The bridge at Cape Girardeau, Missouri, has three spans.

2. A period or length of time.
With a life span of seventeen years, the cicada is probably the longest-living insect.

(v) To stretch from one side to the other.
The Harahan Bridge, which spans the Mississippi River between Tennessee and Arkansas, is over one hundred years old.


(adj) Fit or right for some purpose or event.
Checkers and other games with small parts are not suitable for very young children, who might try to swallow the pieces.


(n) 1. Wooded areas with trees that can be used for wood products.
The piece of land next to Jackson’s farm was sold for its timber.

2. Tree trunks that can be cut into planks or boards.
As we drove down the mountain, we followed a truck loaded with timber on its way to a sawmill.

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