Earth receives heat and light from the sun after they _______________.
What is travel through space?
100
Because of the positions of the Sun, the Moon, and Earth, the Moon appears _____________________.
What is to change shape?
100
Classified according to whether or not they have a backbone.
What are animals?
100
Located in areas with warm temperatures. They have thick plant growth such as ferns and reeds, small bushes and small trees do not thrive due to lack of sunlight.
The surviving trees found here are very tall, reaching for sunlight. Standing water causes the trunks of the trees to spread out to provide support. An example of a tree found here the cypress has “knees”, or roots that come to the surface for oxygen.
What is the swamp?
100
The closest planet to the sun?
What is Mercury?
200
Causes the northern or the southern part of Earth, to point toward the Sun as it revolves around it.
What is the tilt of the Earth?
200
The amount of _____________ from the Moon that is seen from Earth determines the phase.
What is reflected light?
200
Share other physical characteristics, for example, a protective skin covering, an inside skeleton, muscles, blood that circulates through blood vessels, lungs or gills for breathing.
What are vertebrates?
200
Very cold areas where the amount of daylight varies greatly throughout the year. Winters are mostly dark with only moon and starlight, whereas in the summers, there is up to 24 hours of daylight.
What are the polar regions?
200
Two time each day when the ocean water level is the highest because of the pull of the Moon.
What is high tide?
300
Because of the tilt, the number of _____________ hours changes throughout the year.
What is tilt of the Earth?
300
The change in the Moon’s phases from new moon to new moon takes about ________________.
What is four weeks, 29½ days?
300
Other examples include spiders, shrimp, crayfish, sponges, sea stars, or snails.
What are invertbrates?
300
Dry areas with extreme temperature ranges. Some are covered with sand. During the day it is very hot, whereas the nights are very cold.
What are deserts?
300
These occur between the high tides.
What is low tides?
400
Due to the Earth's _________________ the side of Earth not facing the Sun experiences night.
What is rotation?
400
The Moon’s pull on Earth makes the surface level of the ocean rise and fall; this change in level is called _________.
What is tide?
400
Humans, a monkey, a whale, an elephant, and a kitten all belong to what vertebrate group?
What is mammals?
400
Moving bodies of water that can be found in warm or cold areas. They can be fast or slow moving water. The speed of the water flow determines the types of plants and animals that live in them or use them.
What are rivers and streams?
400
These inner planets are small, rocky planets like Earth.
What are Mercury, Venus, and Mars?
500
Large planets with a surface made of gas unlike Earth.
What are Jupiter, Saturn, Neptune, and Uranus?
500
Why the Moon and Earth pull on one another.
What is gravity?
500
A response to a change in the environment.
What is a behavior?
500
Very humid and warm areas that have an abundance of rain that leads to lush plant growth (for example, tall trees, vines, ferns, orchids, and other colorful flowering plants).
What are rain forests?
500
Takes the longest: the revolution of the Moon around the Earth, the rotation of the Earth on its axis, or the revolution of the Earth around the Sun.
What is the revolution of the Earth around the Sun?