Ocean Layers
The layer of the ocean closest to the surface. Many plants live here.
the sunlight zone
Plants need sunlight for photosynthesis. The lower ocean zones do not receive enough sunlight for plants to survive.
What causes day and night on Earth?
Earth's rotation - the side facing the sun has day, while the side facing away from the sun has night.
Name one planet (other than Earth) and share one fact about that planet.
answers will vary (teacher choice)
Which phase of the moon makes it look as if there is no moon in the sky?
new moon
the layer of the ocean that receives a little sunlight
the twilight zone
What organism is at the bottom of every food chain?
plants
How long does it take for the Earth to rotate one time?
24 hours
NASA is sending a rover to explore which planet?
Mars
Explain the difference between a food chain and a food web.
Food chains follow a single path as animals eat other animals and plants. Food webs show how many food chains are interconnected.
the layer of the ocean that receives no sunlight
the midnight zone
What conditions do animals need to adapt to in order to survive in the lower ocean zones?
no sunlight, cold water temperature, lots of water pressure
What two things cause the Earth to have seasons? Explain.
Earth's revolution around the sun and the tilt of the Earth's axis- The part of the Earth tilted toward the sun has summer, while the part tilted away has winter. This changes as the Earth revolves.
What is in between Mars and Jupiter, separating the inner planets from the outer planets?
asteroid belt
How deep is the Mariana Trench?
about 36,000 feet or 7 miles
the deepest parts of the ocean floor are called ______
trenches
Name one adaptation animals that live in the lower zones of the ocean have.
large eyes, large teeth, bioluminescence
How does the moon affect tides?
The moon has gravity. As it revolves around Earth, it pulls on the ocean to create high tide in some places and low tide in others.
Inner planets are rocky. Outer planets are gas giants. Inner planets are closer to the sun and outer planets are further away.
How old are the Earth, moon, and sun?
about 4 1/2 billion years
Name three parts of the ocean floor.
any 3 of the following: continental shelf, continental slope, continental rise, abyssal plain, trench
answers will vary (teacher choice)
Name the main phases of the moon.
new moon, crescent, quarter, gibbous, full moon
Name the planets in order from the sun.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
As the moon moves through its phases, the part we see grows and then shrinks. What is the term for the moon growing and the term for the moon shrinking?
moon growing - waxing
moon shrinking - waning