Students'Book

Unit 1 Naming and classifying

Unit 2 Composition and function

Unit 3 Safety precautions and warnings

Language review 1

Unit 4 Quantities(1)

Unit 5 Quantities(2)

Unit 6 Dimensions and weights

Language review 2

Unit 7 General statements

Unit 8 Comparing and contrasting(1)

Unit 9 Comparing and contrasting(2)

Language review 3

Unit 10 Describing experiments

Unit 11 Talking and writing about the past

Unit 12 Properties

Language review 4

Unit 13 Describing the function of an instrument

Unit 14 Describing processes(1)

Unit 15 Describing processes(2);definitions

Language review 5

Unit 16 Structure

Unit 17 Understanding descriptions and instructions

Unit 18 Predictions

Language review 6

Teachers'Book

Introduction

Unit 1 Naming and classifying

Unit 2 Composition and function

Unit 3 Safety precautions and warnings

Language review 1

Unit 4 Quantities(1)

Unit 5 Quantities(2)

Unit 6 Dimensions and weights

Language review 2

Unit 7 General statements

Unit 8 Comparing and contrasting(1)

Unit 9 Comparing and contrasting(2)

Language review 3

Unit 10 Describing experiments

Unit 11 Talking and writing about the past

Unit 12 Properties

Language review 4

Unit 13 Describing the function of an instrument

Unit 14 Describing processes(1)

Unit 15 Describing processes(2);definitions

Language review 5

Unit 16 Structure

Unit 17 Understanding descriptions and instructions

Unit 18 Predictions

Language review 6

附：词汇表