We are about half way through our focus on Matter in Science, and I am feeling pretty good about how things are going. I can tell that my students are beginning to understand the important concepts of the unit because they are using the key vocabulary in their speaking and writing, which means they “own” those words. As you know, if a student has a word for the concept, they likely also have the concept! In this blog post, I’m going to take you through some of the bends in the unit that have gotten my kiddos to this point.
What are the Three Tiers?
The three tiers are a way of thinking about the function of language as you choose vocabulary words to teach your students. Beck and McKeown outlined the tiers in their book “Bringing Words to Life”. For more in depth information on that, be sure to check out this blog post. One important thing to remember is that learning the vocabulary words involves learning to use the words, but not necessarily how to spell them. That is a different goal and different words should be chosen for spelling instruction.
Definition of each Tier
Tier One words are commonly found in oral language. They are typical words that most native speakers learn to understand easily. Because they are learned through spoken language, they might make great spelling words, but they should not be targets for vocabulary instruction for native speakers.
Tier Two words are generally not used in spoken language, but they are encountered in written language, so they are key for students to learn. These are the words that unlock comprehension, advance reading skills, and bring writing to life. Many content words fall into this category. Because these words have the ability to be useful in many different contexts and domains, instruction on these words can have a huge impact.
Tier Three words are only used in a specific domain, and don’t cross into other content areas. They also might be very rare words. These are the words that students need to unlock key concepts in science and social studies, and should be explicitly taught.
Words to Teach
So, the bulk of vocabulary instruction should be Tier Two and Tier Three words, with the majority of time spent on Tier Two Words. The best time to teach Tier Three words is right before a student needs them. For example, if a word is going to be useful in a science lab or a non-fiction text, teach it that day, right before students need it. Word Cards are awesome for that! With our Matter unit, we spent two days on property of matter stations. Many of the target vocabulary words are Tier Three, so I put the Matter Word Cards on the whiteboard and introduced them and also put them at the property of matter stations. By the end of the two days, the kids were using the vocabulary pretty comfortably in their conversation and lab books.
Examples of Tier Two Words
You may be wondering which of the words in the pictures are Tier Two, and which ones are Tier Three. Because I was introducing lab stations, most of the words pictured are Tier Three. In the Matter unit, I am focusing on these Tier Two Words: solid, liquid, gas, states, property, flow, texture, matter, particle, dense, compress, conditions, material, substance, volume, mixture, contract, expand, capacity, sift, filter, and dilute. Interestingly, several of the Tier Two words fall into that category because they are used in cooking, making them more common, and increasing the likelihood that they will be found in a written text.
Examples of Tier Three Words
In the Matter unit, I am focusing on these Tier Three Words: evaporate, buoyancy, condensation, melting point, boiling point, freezing point, plasma, atom, diffusion, concentration, molecule, insulate, conduct, reaction, dissolve, soluble, physical change, chemical change, solution, saturation, magnetism, precipitation. I’m sure you noticed that most of these words are specific to Science, and rarely found outside of a Science text. These words are essential for students to learn so that they can unlock key Science content. Direct vocabulary instruction is the way to teach these words.
Now that we’ve defined the words to teach and categorized them, let’s dive into instructional strategies for helping students LEARN them! This part of the blog is going to focus on the ways I’ve been teaching Tier Two words because you’ve already seen how I weave Tier Three instruction into the Science labs, introducing the key vocabulary as the students need it.
First, I used some of the images from the Matter Word Cards to plant seeds of curiosity about the content and vocabulary with a Gallery Walk. This picture is one of the stations, involving several photos, some with text, and students responded with their Noticings and Wonderings. Some of the target vocabulary began to emerge, but not much, so this activity served an an informal assessment, helping me know that direct vocabulary instruction was going to be essential in helping students master the content of the unit.
Next, students read “Everything Matters”. This article contains the foundational knowledge about States of Matter that students should have learned in third grade. To make sure that the foundation is strong, we used a Close Reading Protocol. The directions for the Close Reading protocol are included in the resource, but I did add explicit vocabulary instruction after the first read. I asked students to find, and highlight, these words in the text: mass, volume, substance, molecules, material, conditions, exist, density, compressed, states. We then used the context to predict the meaning of each word. Finally, I showed the students the Word Cards with the definitions and images on them, and we compared the definition with their prediction. Students completed the Comic Strip Performance Task from the resource, which gave them a great opportunity to use some of the words authentically in their writing!
Another strategy I use frequently is making Flapbooks in their Science notebooks. Students fold a page of the notebook in half, and then cut to the fold, making a flap. On the front of the flap, they write the word. Then I ask them if they have heard it before. Next, I ask them to predict the part of speech. Finally, I show them the definition and picture on the Word Card. Students copy the definition inside the flap. Later, they will make their own drawing on the other side of the flap to show their understanding of the word.
Additional Practice Strategies
I hope this has given you some ideas to try in your own classroom. As students learn the words, it’s important that they continue to practice them in a variety of contexts. Games such as Vocabulary Dominoes or I Have, Who Has? are fun ways to practice the target vocabulary. Crossword Puzzles and Word Searches are also fun ways to engage students with target vocabulary. And whole class games like Hot Seat can be a fun way to focus students on vocabulary too (the directions for that are in the resource!). And of course, frequent opportunities to read the words, hear the words and use the words orally and in writing are key!
Resources You Will Love
Check out these resources to help your own students master Matter! Just click!
Be sure to check out these blog posts for more resources and insights to grow your Vocabulary instruction!