Teen Express u 8 l 2 p 11 the physics terms

It was the antiparticle to the ..., later called the positron.

• atom

• electron

... is a form of magnetism.

• Gravity

• Velocity

Some scientists believe that there is about ten times as much ...in the universe as astronomers have observed.

• matter

• electron

A molecule of carbon dioxide (CO₂) has one carbon ... and two oxygen ....

• nucleus/ nuclei

• atom/ atoms

Yet any living system is surely more complex than any ....

• atom

• inanimate object

The drop hollows the stone, not by ..., but by the frequency of its fall.

• force

• gravity

Neutrons and protons are bound together in the ...of an atom.

• inanimate object

• nucleus

The wind ...did not exceed 20 km. 412.

• velocity

• bond

The two pieces of wood were ... together with glue.

• bonded

• matter