The variety of shielding gases used in arc welding can be a confusing topic. However, the use of an external shielding gas is a necessary component for some processes, as it is a requirement for surrounding and protecting the arc and molten weld metal from contamination by the atmosphere.
Consonant Digraphs. Second Grade. Spelling/Phonics. Consonant Digraphs Consonant digraphs are two (or three) letters that come together to make one sound. The difference between blends and digraphs is that blends are two letters that make two sounds and digraphs make one sound.onsonant Digraphs. Second Grade. Spelling/Phonics. Consonant Digraphs Consonant digraphs are two (or three) letters that come together to make one sound. The difference between blends and digraphs is that blends are two letters that make two sounds and digraphs make one sound.
For example, a word like stump contains a beginning blend {st-} and ending blend {-mp} and may be too difficult for a child just learning about blends. Digraph = TWO LETTERS, PUT TOGETHER, AND YOU HEAR ONE SOUND. {You can download this poster in this post.} Some common digraphs are ch, ph, sh, th and wh. Some digraphs can be found at the beginning or end of words {such as sh, th, and ph} while others, like kn, are typically only found at the beginning. When I introduce digraphs, I also focus on either the beginning digraphs or the ending digraphs, not words that have both. Common Blends and Digraphs Chart for Kids