Grade 2- Cycles In Nature

Riddles- 1

100

I am the area on Earth that receives the greatest amount of direct, intense sunlight. What am I?

The Equator

200

I am the process by which some young animals develop and completely change form as they become adults. What am I?

Metamorphosis

300

We are the reason we have seasons. What are we (2 reasons)?

Earth's tilt and Earth's rotation

400

I am the process in which a plant begins to grow and sprout. What am I?

Germination

500

We are the 4 seasons. What are we? (In cycle order)

Winter, Spring, Summer, Fall

Riddles- 2

100

I am the way the earth moves around its axis. What am I?

Rotation

200

I am the larva that hatches from the egg of an adult female frog. What am I?

A tadpole

300

I am a sequence of events that happens over and over again.

A cycle.

400

I am half of the earth, divided by the equator. What am I?

A hemisphere

500

I am the way a tree sucks up nutrients and water into its roots. What am I?

Absorption 

Water Cycle

100

I am the process by which a liquid changes into a gas. What am I?

Evaporation

200

I am the process by which a gas changes into a liquid. What am I?

Condensation

300

I am the water that falls from the sky as rain, snow, sleet, or hail. What am I?

Precipitation

400

We are the three main types of clouds. What are we?

Cirrus, Cumulus, and Stratus clouds

500

We are types of precipitation. What are we? (name at least 3)

Snow, Sleet, Hail, Rain

Plant Cycles

100

I am the stages of a flowering plant. What am I? (in order from seed)

Seed, Germination, Seedling/Sprouting, Flowering, Dropping Seeds

200

We are insect pollinators that help spread pollen during the life cycle of a plant. Name at least 2 insect pollinators.

Honeybees, Bumblebees, Ants, Moths, Beetles, Flies

300

We are the parts of a tree. What are we?

Roots, Trunk, Branches/Limbs, Leaves, Fruit, Flowers, Bark

400

I am a tree whose leaves do not change or die off in the cold months. What am I?

An evergreen

500

I am a tree whose leaves change colors and I drop my leaves in the fall. What am I?

Deciduous

Animal Cycles

100

I am the white part of the inside of the egg. What am I?

The albumen

200

I am the larva stage of a butterfly's cycle. What am I?

A caterpillar

300

I am the stage after an egg in a frog's life cycle. What am I?

A tadpole

400

First, a frog breathes using its ___. Later in its life cycle, it uses its ____.

Gils, then lungs 

500

I am the transparent shell around a caterpillar when it goes through metamorphosis. What am I?

Chrysalis