What is the main source of energy for plants?

What tool do you use to find the mass of an object?

How long does it take for the Earth to revolve around the Sun 4 times?

What type of clouds are large, fluffy, stacked, and remind you of cotton balls?

What type of clouds are low, dark, flat, and cover most of the sky like a blanket?

All the living things surrounding an organism are called _______________.

Plants need _____ to make food.

All living things are called _________.

______________does not produce its own food, it eats other living things for energy.

____________________ a group of the same kind of plant or animal living in the same place

________________very dry land that can be either very hot or very cold.