Living organisms in an ecosystem, such as animals, plants, and fungi
100
Do elements in the same row or same column have similar characteristics?
Same column (family)
100
True or False
The inner planets are known as the gaseous planets
False
100
What is the electrical unit used to measure resistance?
Ohms/ampere
100
Finish this statement: Opposite charges _________, like charges ___________
Attract, repel
200
What preys on top carnivores?
Nothing
200
What is the atomic mass of lithium?
6.94
200
What is the solar system made of?
The sun and all the objects around it
200
What part of a circuit converts electrical energy into some other form of energy?
The load (ex. Lamp or any type of resistor)
200
What process removes carbon dioxide from the air and produces oxygen
Photosynthesis!
(Ps. Every plant can do this..)
300
Describe biomagnification
Effect of toxins as you move up the food chain
300
What atoms and how many of each are present in Ca(NO3)2
2- Calcium
2- Nitrogen
6- Oxygen
300
What makes it appear that the sun moves across the sky from east to west?
The rotation of the earth on its axis
300
Give 2 differences between a series circuit and a parallel circuit
Series- electrons only have one path to follow; if one load stops working, the entire circuit stops working
Parallel- electrons have more than one path to follow. If one load stops working, the rest of the circuit still functions
300
What is the formula for density?
D = M/V
400
What is carrying capacity?
The size of a population that can be supported indefinitely by the resources and services of an ecosystem
400
Where would I find halogens on the periodic table?
Group 17
400
What is a constellation?
A group of stars that, from Earth, resembles a recognizable form/pattern
400
An electric stove is connected to a 240 V outlet. If the current flowing through the stove is 20 A, what is the resistance?
R = V/I
R = 240/20
R = 12 ohms
400
When answering a word problem, what are 2 important things you need to remember in your answer?
Units, concluding sentence
500
Name 3 major causes of decreased biodiversity caused by humans