CHAPTER XXXVI.

772. What is attraction?

Attraction is the tendency of bodies to draw near to each other. It is called attraction, from two Latin words signifying drawing towards.

773. How many kinds of attraction are there?

There are five principal kinds of attraction:—

1. The attraction of gravitation.
2. The attraction of cohesion.
3. The attraction of chemical affinity.
4. The attraction of electricity.
5. And capillary attraction.

"Behold, the nations are as a drop of a bucket, and are counted as the small dust of the balance: behold, he taketh up the isles as a very little thing."—Isaiah xl.

774. Why do all bodies heavier than the air fall to the earth?