Solar System Unit 3 Assessment

Solar System Unit 3 Assessment

Third Grade

A large body of rock or gs that orbits the sun is...

• planet

An ______ is a chunk of rock or methal that orbtis the sun

• asteroid

A solar eclipse is...

• When the moon's shadow falls on Earth we see this.

A ------- makes faraway things look clearer and bigger

• telescope

The spinning of an object on its axis is called ________

• rotation

A________ is a large ball of ice and dust the orbits the sun.

• comet

The moon has ________ that make it seem to change shape

• phases

Earth has an imaginary line, or ________ that runs through the North Pole and South Pole.

• axis

The movement of one object around another object is called_______

• revolution

The _______ is made up of the sun and all the objects taht orbit around it.

• solar system

An --------is the path of an object as it moves around another object in space.

• orbit

A ------- is a ball of hot, glowing gases.

• 
  

Earth's tilt cases

• seasons

Earth's rotation cases

• day and night

Earth's revolution cases

• years

The moon's shadow causes

• solar eclipse

The moon's movement causes lunar eclipse

• 
  

The Outer Planets are

• mostly larger than Earth

Two revolutions of Earth take

• two years

How would Earth be different if its axis were not tilted?

• There would be no seasons. The amount of sunlight each half of Earth would get would be the same all year. The sun's rays would hit at the same slant all year.