Ecosystems
What kind of diagram shows the flow of energy in an ecosystem?
Food web
What units are forces measured in?
Newtons (N)
What causes the seasons to occur on Earth/
Earth's tilted axis
List 3 types of simple machines
Double points if you can name all 6
Lever, Ramp, Screw, Pulley, Wedge or Wheel and Axil
List 5 lab safety rules
Answers may vary
What is a secondary consumer?
A consumer that eats a primary consumer
What are 3 ways a contact force can be applied?
Push, Pull and Twist
What causes the moon to shine?
What is the formula for mechanical advantage
Output Force / Input Force
What is a hypothesis?
A prediction what is likely to happen in an experiment
Which direction does the arrow point in a food web?
From the species being eaten to the species doing the eating
What type of force is Gravity?
Non-contact
What happens during a solar eclipse?
The Moon passes between the Sun and Earth, casting a shadow on Earth that either fully or partially blocks the Sun's light in some areas
List the 3 parts of lever?
Effort arm, load arm, fulcrum
List the 3 types of variables
Independent, Dependent, Control
What are the four major trophic levels?
Producer, Primary Consumer, Secondary Consumer, Tertiary Consumer
If all objects fall at the same speed, explain why a feather would fall slower than a bowling ball
Air Resistance
List 4 phases of the moon cycle
Double points if you can name all 8
New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Third Quarter and Waning Crescent
What is a wedge used for?
To separate two objects or portions of an object
What sentence structure do you use for a hypothesis?
If, Then, Because
List 5 characteristics of living things
Double points if you can name all 8
Movement, Reproduction, Nutrients, Grow, Repair Exchange of gasses, Waste, Water
*Remember MR N GREWW*
What is normal force?
The force that surfaces exert to prevent solid objects from passing through each other
What angle is the earth tilted at?
Define a Rube Goldberg machine
It performs a very basic job in a complicated way
What is discrete data?
Data value that are whole numbers