What would you call something that is living?
biotic
A push or a pull
force
Materials that do not let light pass through them are...
Opaque
The loudness or softness of a sound is its:
volume
Name the 8 planets in order
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
A network of overlapping food chains is called what?
food web
How do I determine the speed of a moving object?
Distance divided by time
When light strikes a smooth, shiny surface it bounces back in a process called:
reflection
How high or low a sound is
pitch
closest to the sun
dense and rocky
few moons
thin atmosphere/ small diameters
large, solid cores
short revolution times
What are the 3 types of consumers and what do they eat?
Herbivore: plants
Omnivore: plants and animals
Carnivore: animals/meat
Sammie is pushing a 30 pound shopping cart and Peyton is pushing a 50 pound shopping cart. Which girl is using more force to move their cart? Why?
Peyton: more mass = more force needed to move the object
Jeremy is wearing a blue shirt. Why do we see blue on his shirt?
The color blue is being reflected and all of the other colors are being absorbed.
Sound travels in...
waves
Name 2 characteristics of the outer planets
furthest from the sun
Gas Giants
many moons/ ring systems
no solid surface/ small cores
very cold
What happens to energy as it moves through an energy pyramid?
It decreases. Only 10% of the energy is passed along to each level of the energy pyramid.
Force that opposes motion.
Friction
What type of material do we consider a window? Why?
transparent: lets all light through
frequency
What determines a day on Earth?
What determines a year on Earth?
Day: one rotation on its axis
Year: one revolution around the sun
Name all of the first level consumers.
rabbit, mouse, grasshopper, bird
A ball is moving at 20 ft/min. How far does the ball travel in 5 1/2 minutes?
110 feet
What does light do when it travels from air to water?
refracts/bends
Represent the soundwaves for an instrument with a low pitch and represent the soundwaves for an instrument with a high pitch. Label your drawings.
low pitch: waves are further apart/ less frequent
high pitch: waves are closer together/ more frequent
What is the sun made out of (be specific) and what is something that occurs on the sun?
hydrogen and helium
solar flares
sun spots