Watershed
What is a watershed?
Area of land that funnels into the same body of water
Which planet is the 5th planet from the sun?
Jupiter
Why must an astronaut exercise while they are in space?
To counteract microgravity so they do not experience as much bone density loss and muscle atrophy
What is the Goldilocks zone
The habitable zone- not too far or too close to a star
Name the two gasses we breathe in and out.
O2 (oxygen) and CO2 (carbon dioxide)
What are lakes, streams, and run-off examples of?
Surface water
What causes the planets to stay in orbit around the sun?
The gravitational pull of the sun.
Why do rockets need to use so much fuel to launch?
To be able to break free from Earth's gravity
How does the atmosphere allow life to exist on Earth?
Keeps Earth the right temperature and pressure, protects against meteors and solar radiation
What is the third planet from the sun?
Earth
What is water that is found in spaces between rock particles below the Earth's surface?
Groundwater
Differentiate between rotate and revolve
Rotate means to spin/turn and revolve means to revolve loop/orbit around
There is no air in space. Which of the following accommodations is required for an astronaut to directly communicate with another astronaut in space?
Technology/ a radio
How does the atmosphere on Earth compare to Mars?
Earth has a thick atmosphere and Mars' atmosphere is thin.
What creates chemical messengers, and which system does it belong to? (must have both correct for points)
glands create the hormones in the endocrine system
If a farmer puts down fertilizer before a rainfall, what is a likely outcome?
Algal bloom
What is the layer of gases that surrounds a planet and protects it from dangerous radiation and meteors?
The atmosphere
Why must the ISS have an oxygen system that filters out CO2?
Space is a vacuum with no gases, and there are not enough plants on the ISS to take the CO2 and create O2.
What must be present in order for a planet to support life? (Must include 2)
thick atmosphere, liquid water, nourishment, proximity to the sun
How do plants get energy?
Photosynthesis
Define percolate
to drip through a small opening or to filter a liquid; trickle down
When you increase the distance between two objects, what happens to the gravity?
It decreases
What space exploration tool helps scientists see farther into space?
Telescope
Why is proximity to the sun important?
Just the right amount of energy from the sun (not too hot not too cold)
As height increases, what happens to the potential energy?
It increases