What cycle is caused by the rotation of the Earth?
The rotation of the Earth causes the daytime and nighttime cycle. The Earth completes one rotation in 24 hours.
100
Name one way seeds are dispersed (spread in different directions)
animals; wind; water
100
What is the larva of a frog called?
tadpole
100
Water can exist in three different states. It can be a liquid, a solid or ____.
gas
100
What word means "big change"?
metamorphosis
200
The earth revolves around the _______.
sun
200
What is the first stage of the life cycle of a plant?
Seed
200
My life cycle begins with an egg that has a shell, a yolk and albumen. Who am I?
chicken
200
Puddles disappear on hot days as the warm air changes the water from a liquid to a gas. This process is called ______________.
evaporation
200
What word means to make a hole into or under something.
burrow
300
What cycle is caused by the tilt of the Earth together with the Earth's revolution around the sun?
The cycle of four seasons - spring, summer, fall, winter
300
Name two pollinators.
birds; insects; butterflies; bees; small mammals (such as mice, shrews, rats); wind; water
300
I am a butterfly. I start out as an egg. In the larva stage, I am a caterpillar. What is my pupa called?
a chrysalis
300
Water vapor in the air far below the clouds is called ___________.
humidity
300
Water that falls from the sky as rain, snow, sleet, or hail is __________.
precipitation
400
What is the imaginary line around the center of the Earth called?
The equator
400
How do plants attract pollinators?
Flowers attract pollinators with their color, shape, fragrance (lovely smell) and nectar.
400
My eggs do not have a shell. I lay hundreds of eggs at one time, because many of my eggs will be eaten. I will not be around to protect them.
What animal am I?
frog
400
Which temperature of air can hold more water vapor -
hot or cold?
Hot air can hold more water vapor. That's why it can feel so humid on hot summer days.
400
clear, able to be seen through
transparent
500
The earth rotates, or spins, around an imaginary line called the _______.
axis
500
Photosynthesis is the process by which plants make their own food. What two things does a plant need to make food?
sun and water
500
I take good care of my eggs and I hang around to take care of the little ones who hatch. Who am I?
hen
500
When water changes from a gas into a liquid, this process is called ___________________.