Reading vocab

Einstein's ideas are too abstract for many people to understand. - (abstract)

The reaction of iron and oxygen produces rust. - (reaction)

The airplane had to rely on the radar in the dense fog. - (dense)

4. The moon revolves around the earth. - (revolves

The insects showed their attraction to the light. - (attraction to)

Some scientists suspect that the planet Uranus once collided with another object in space. - (collided)

Atoms are infinitesimal in size. - (infinitesimal)

Chemists study the composition of natural substances. - (substances)

The whale suddenly emerged from the water. - (emerged)

All matter is either liquid, solid, or gas, and solids may be subdivided into crystalline and amorphous. - (subdivided)

Plastic products are hard to dispose of because they are almost indestructible. - (indestructible)

At one time the atom was thought to be indivisible. - (indivisible)