A young frog is a ___________________.

An animal with dry, scaly skin is a ____________________.

An animal with smooth, wet skin is a ______________________.

All stages of an animal's life are its _________________________.

An animal that has feathers and lays eggs is a _________________________.

I carry water to the leaves. What am I?

I help hold the plant in the ground. What am I?

I help make new plants. What am I?

I make food for the plant. What am I?

Which sentence gives a correct detail about plants?

What is always at the beginning of a food chain?

I am a very large rock. What am I?

The remains of animals and plants that live long time ago.

Which animal is extinct?

Which two things can change Earth's surface quickly?

Wind and water break down rocks into smaller pieces.

Wind and water move sand, small rocks and pebbles from one place to another.