Ruhkala: Grade 5 Science Quiz (solar system)

A rock that revolves around the sun.

How does the Sun produce energy?

Gravity is affected by the distance of two objects and

The smashing together of hydrogen atoms to make helium atoms.

Of all the mass in the solar system, about what percentage is in the Sun?

Bursts of heat and energy that stretch out from the surface of the sun into space.

The rise and fall of the ocean's surface due to the pull of gravity.

A not quite perfect circle.

Who discovered the Theory of Relativity equation (E=MC squared)?

Earth is a satellite of

Most of the energy that the Sun produces is formed in its

An object that produces its own heat and light.

The force of attraction between two objects due to their mass.

An object in space that circles around another object.

The system of objects orbiting the sun.

A mixture of ice, dust, and rock that circle the sun.