Mid Term Review for Science

Which of the following is a star that is made up of helium and hydrogen gases?

• Moon

• planet Jupiter

• Sun

The ancient people __________________ the different constellations that they saw in the night sky.

• did not care much about

• did not notice any of

• made up stories about

The Earth spins on its axis causing day and night. We call this motion of the Earth ______________.

• static

• revolution

• rotation

When it is winter in North America, the Northern Hemisphere is _____________________

• tilted towards the Sun

• not tilted towards or away from the Sun

• tilted away from the Sun

What did Sir Isaac Newton discover as he observed how apples fall from trees?

• He learned that Earth has a giant magnetic field around it.

• He learned that apples are made of many cells.

• He learned that there is a force that pulls objects towards Earth.

________ is the scientist that concluded that gravity and inertia are holding the planets and moons in orbit around other objects in space.

• Sir Isaac Newton

• Sir Albert Einstein

• Sir Thomas Edison

What are the four inner rocky planets in our solar system?

• Mercury, Venus, Earth, Mars

• Jupiter, Venus, Mars, Neptune

• Jupiter, Saturn, Uranus, Neptune

A natural satellite of a planet is called ________.

• an asteroid

• a moon

• a meteor

Scientists believe that they may discover more _____ in our solar system.

• dwarf planets

• gas giants

• stars

What are asteroids shaped like?

• They are round like a planet.

• They have a nucleus and tail like a comet.

• They are shaped like a rock with rough edges and filled with holes.