Natural Science Earth and space Grade 4

When we look at the Sun, it appears to be big and bright. Why does the Sun look so big and bright?

• It is hot.

• It is close to Earth.

• It has a lot of gravity.

• It is far away from Earth.

What would most likely happen to Earth without the Sun?

• Earth would stop spinning.

• Earth would become hotter.

• Earth would grow more plants.

• Earth would become dark and cold.

Which is an example of energy being used?

• an empty mailbox

• a rock at the bottom of the ocean

• a photograph inside of a photo album

• plants using the light from the Sun to make their own food

What types of energy does the Sun provide?

• heat and light

• gravity and light

• gravity and heat

• mass and heat

Why do some stars appear to be large and other stars appear to be small when viewed from Earth?

• The more gravity a star has, the smaller it appears.

• The more gravity a star has, the larger it appears.

• Stars are different sizes and distances from Earth.

• Stars close to Earth appear to be larger.

The order of the planets is:

• Mars,Venus,Earth,
  Mercury,Saturn
  Jupiter, Uranus, Neptune
• Earth,Venus,Mars
  Jupiter, Neptune,
  Mercury,Saturn,
  Uranus
• Mercury,Venus,Earth
  Mars,Jupiter,
  Saturn,Uranus
  Neptune

The sun is a

• planet
• star
• asteroid

True or False
The Sun is the biggest star in the sky.

• True
• False

Which of the following is the smallest?

• The Milky Way Galaxy
• A red giant star
• The moon
• Jupiter

What is the closest planet to the Sun?

• Mercury
• Mars
• Venus
• Earth