ACTIVITY 1: The Perfect Placement of Earth
a)The Earth is the only planet with______________.
c)Living things cannot live on ____________because it is too cold and dark.
d)Green plants need_____________to make their own food.
e)Humans and animals will die if there is no____________.
Study the picture and answer the questions.
a) What will happen if the Earth is nearer to the Sun ?
b)What will happen if the Earth is farther away from the Sun?