[Step Reading D] Unit 1 Science Sun and Moon Things in Space Unit 2 Social Studies Animal Parade Clothing Unit 3 Social Studies Come to Mexico! Things You Can See in Mexico Unit 4 Science How to Plant Flowers The Parts of the Plant Review Test 1 Unit 5 Social Studies Birthday Gifts Birthday Food Unit 6 Social Studies Who Is Your Hero? Actions for Helping People Unit 7 Social Studies Welcome to My Party! Actions for Saying Hello Unit 8 Social Studies The Strange Egg Describing Review Test 2 Unit 9 Social Studies Future Dream Jobs Unit 10 Social Studies Our Schools Expressions for School Unit 11 Science My Chameleon Can! Body Parts of a Chameleon Unit 12 Social Studies Jenny Many-Names Expressions for Nicknames Review Test 3 Writing Projects