Solar System
Our sun is avg size and temperature compared to other stars in our galaxy. Why does it appear to be the brightest thing in our sky?
it is much closer to Earth than any other star
Gravity always pulls objects towards what?
The center of the Earth.
(*Reminder, all objects exert gravity, but you can only feel that gravity from larger objects)
What is a carnivore?
What is an herbivore?
What is an omnivore?
-eats only other animals or their products
-eats only plants
-eats both plants and animals (products too)
I am all the living and non-living components in a particular area?
ecosystem
What is the amplitude of a wave?
How high or low the wave is above or below the baseline.
What does apparent magnitude mean?
How bright an object (star) APPEARS to be when viewed from Earth.
Earth takes 24 hours to complete one ___________ on its axis.
Earth takes 365 1/4 days to make one ______________ around the sun.
*rotation
*revolution
(rotation = daily/nightly movements)
(revolution = monthly, yearly movements)
What is a producer?
a producer is an organism (plants) who make their own food through photosynthesis.
What does abiotic mean?
What does biotic mean?
What is a community?
-abiotic = non-living factors
-biotic = living factors
-all the living organism in an ecosystem make up a community
Mr. Mehall loves baseball just like his dad. Mr. Mehall's love of baseball is an ________________trait.
acquired
Compare and contrast the inner planets and the outer planets.
Inner Planets - rocky, smaller, closer together, few moons, no rings
Outer Planets - larger, made of gas and ice, further apart, many moons, all have rings
ALL planets revolve around the sun!
What two things causes seasons to occur on the Earth?
Earth's tilt (23.5 degrees) and revolution around the sun.
What three things does a plant need to carry out photosynthesis?
Why can't humans carry out photosynthesis?
-light energy, carbon dioxide, water
-we do not have chloroplasts in our cells
Why are decomposers an important part of an ecosystem?
They break down, or decompose, dead organisms and their waste. They help reduce dead things piling up and add nutrients to the soil.
What is the difference between a series and a parallel circuit?
Series - the current only flows through one path
Parallel - the current flows through more than one path
I am a space feature made of ice who lives way out in the far regions of the solar system. When I get too close to the sun, I begin to melt, leaving a tail behind me of gas and dust. What am I?
comet
When are shadows the longest during the day?
When are shadows shortest during the day?
The sun always rises in the __________ and sets in the __________.
*morning/evening
*noon
*east/west
Make an argument that plants only need air, sunlight, and water to survive. (Do not need soil)
-Plants can survive without soil if given the right nutrients, water, air, and sunlight (hydroponics, air plants, etc.)
What is the difference between a food chain and a food web?
What is at the beginning of every food chain?
Food Chain - shows how matter and energy flow from one organism to another
Food Web - a set of interconnected food chains
The sun
Why are human considered compounds?
We are made up of more than one type of atom (we are made of multiple elements)
Name all 8 planets in order, starting with the one closest to the sun. Give 1 fact about each planet too...
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
(Facts will vary...)
What does waxing mean in terms of the moon's monthly cycles?
What does waning mean in terms of the moon's monthly cycles?
What is a new moon? What is a full moon?
More of the moon become visible
Less of the moon becomes visible
You can not see the new moon (dark)
You can see the entire half of the moon (light)
(*approx 28 days to complete a full cycle)
What is an ectotherm?
What is an endotherm?
-ectotherms rely on the environment to keep them warm (cold blooded)
-endotherms can regulate their body temperature internally
List 3 characteristics of a healthy ecosystem:
List 3 threats to a healthy ecosystem:
adequate shelter
balance of decomposers, producers, and consumer
a variety of species
pollution
invasive species
overfishing/overhunting
What is land erosion and how does it take place?
Erosion is the natural process where wind, water, or ice moves weathered rocks and soil from one location to another, shaping landscapes over time.
(weathering - breaks things down)
(erosion - takes it away)