Reproductive Cells in Plants

1.1.1Basics of Asexual Reproduction

1.1.2Uses of Asexual Reproduction

1.2.1Basics of Sexual Reproduction

1.2.2Reproductive Cells in Animals

1.3.1Fertilisation

1.3.2Internal Fertilisation - Type 1

1.3.3Internal Fertilisation - Type 2

1.3.4Internal Fertilisation - Type 3

1.3.5External Fertilisation in Water

1.4.1Sexual Reproduction in Plants - Male

1.4.2Sexual Reproduction in Plants - Female

1.4.3Pollination

1.5.1Seeds & Germination

1.5.2Growth & Pollination

1.6.1Gestation & Young Mammals

1.6.2Adult Mammals

1.7.1Birth & Young Amphibians

1.7.2Adult Amphibians

1.8.1Birds' Eggs

1.8.2Young & Adult Birds

1.9.1Eggs & Larva

1.9.2Pupa & Adults

1.10.1Animal Behaviourists

1.10.2Naturalists

2.1.1Fertilisation & Early Development in Humans

2.1.2Adolescence & Adult Humans

2.2.1Early Stages of Gestation

2.2.2The Umbilical Cord

2.2.3Foetus & Birth

2.2.4Comparing Gestation of Animals

3.1.1Materials

3.1.2Hardness, Solubility, Transparency

3.1.3Conductors & Magnetic

3.1.4Metals & Wood

3.1.5Plastic

3.2.1Salt Separation

3.2.2Separating Solids from Liquids

3.2.3Physical Changes

3.2.4Chemical Changes

3.3.1Conducting Experiments

4.1.1The Sun & the Moon

4.1.2Earth and Other Planets

4.1.3The Solar System

4.1.4Planet Features

4.1.5Day & Night

4.1.6Moons of the Solar System

5.1.1What are Forces?

5.1.2What do Forces Do?

5.2.1Friction

5.2.2Air Resistance

5.2.3Reducing Air Resistance

5.2.4Water Resistance

5.2.5Reducing Water Resistance

5.2.6The Discovery of Gravity

5.2.7The Force of Gravity

5.2.8Gravity & Other Forces

5.3.1Gears

5.3.2Levers

5.3.3Pulleys

6.1.1Classification of Living Things

6.1.2The Animal Kingdom

6.1.3Vertebrates & Invertebrates

6.1.4Fish, Amphibians, Reptiles

6.1.5Birds & Mammals

6.1.6Arthropods, Molluscs, Annelids

6.1.7The Plant Kingdom

6.1.8Groups of Plants

6.1.9Microorganisms & Viruses

6.1.10Using Keys to Classify Living Things

7.1.1Blood Cells

7.1.2Substances Transported in the Blood

7.1.3Blood Vessels

7.1.4Pulmonary Artery & Pulmonary Vein

7.1.5The Heart

7.1.6Chambers of the Heart

8.1.1Adaptation to Cold Areas

8.1.2Adaptation to Hot Areas

8.1.3Variation in Humans

8.1.4Variation in Dogs

8.1.5Evolution & Mutations

8.1.6Examples of Evolution

8.1.7Fossils

8.1.8Natural Selection

8.1.9Darwin & Wallace

9.1.1Light

9.1.2Light & Shadows

9.1.3Reflection

9.1.4Periscopes

10.1.1Electricity, Current & Voltage

10.1.2Electrical Symbols

10.1.3Circuit Diagrams: Lamp

10.1.4Circuit Diagrams: Buzzer

10.1.5Electrical Safety

11.1.1Scientific Questions

11.1.2Ideas & Evidence

11.1.3Punished Scientists:Galileo Galilei

11.1.4Evidence is Not Proof

11.1.5Hypothesis

11.1.6Theory

11.2.1Starting an Enquiry

11.2.2Observations & Testing

11.2.3Research

11.2.4Data Patterns

11.2.5Correlations

11.2.6Sorting & Classifying

11.2.7Tools for Sorting & Classifying

11.2.8Variables

11.3.1Planning an Investigation: Question

11.3.2Planning an Investigation: Equipment

11.3.3Planning an Investigation: Equipment (2)

11.3.4Planning an Investigation: Measurement

11.4.1Health & Safety

11.4.2Using Equipment Correctly

11.4.3Observing, Measuring & Recording

11.4.4Replication & Annomalies

11.4.5Recording & Presenting Information

11.5.1Writing Up an Investigation

11.5.2Presenting Data

11.5.3Diagrams & Images

11.6.1Writing a Conclusion

11.6.2Finalising Your Conclusion