Energy Flow & Producers
The main source of energy for producers in most ecosystems?
What is the sun?
Which physical property tells you if an object is pulled by a magnet?
What is magnetism?
What happens to light when it bounces off a mirror?
What is reflection
A thunderstorm lasts a few hours and cools the day. Is this an example of weather or climate? Explain in one short sentence.
Weather — it is a short-term event that affects conditions for a short ti
What breaks exposed rock into smaller pieces?
What is Weathering
In a food web, the term that describes organisms that make their own food using sunlight?
What is a produer?
Trail mix is an example of this
What is a mixture?
Which activity requires refraction:
a. straw looks bent in glass of water
b. seeing image in a window
c. seeing a shadow
A. Straw looks bent in water
Which step in the water cycle is BEST described as water vapor cooling and forming tiny droplets that gather into clouds?
Runoff, Condensation, Evaporation, Precipitation
Condensation
Weathering
erosion
deposition
compaction
cementation
Break down dead material and return nutrients to the soil
What are decomposers
You can use this to separate sand from water
filter/filter paper
When light bounces off a shiny spoon and you can see your face, what is this behavior of light called?
What is reflection
Explain why the sun appears to change position during the day
The Earth rotates on its axis, the sun appears to move across the sky.
Rock formed when layers of sediment are pressed and glued together over time
The arrow in a food web represent?
What are the energy flow/who eats whom
Anything that takes up space and has mass
What is matter
A magnifying glass uses a convex lens that bends (refracts) light rays so they combine and make an enlarged image, which helps you see small text more clearly.
Which of the following is NOT caused by the Moon?
A. Tides in the ocean
B. Phases of the Moon
C. Day and night on Earth
D. A solar eclipse
C. Day and night on Earth
Which process happens when wind or water wears away rock and soil from high places and carries the pieces to a new location?
Erosion
An animal that only eats plants?
What is an herbviore
Explain how the particles are in motion in each state of matter!
solid tightly packed
liquid close but not packed
gas very far apart
Explain why shadows form when the Sun is out, using the idea that light travels in straight lines.
Shadows form where straight-line light is blocked by an object.
A student records the number of daylight hours and notices the hours increase from January to June and then decrease from June to December. Explain why this pattern happens. (Hint "tilt" and "direct sunlight.")
Earth is tilted on its axis from January to June toward the Sun, so it receives more direct sunlight June to December it tilts away from the Sun, so sunlight is less direct and days get shorter.
______ forms when a river slowly cuts down into rock over many years. The moving water erodes the rock and carries the pieces downstream, making the _____ deeper and wider.
What is a canyon