Atoms
List the subatomic particles with their charges and locations.
Protons - inside the nucleus with a positive charge
Electrons - outside the nucleus with a negative charge
Neutrons - inside the nucleus with a neutral charge
What does an unbalanced force cause?
Motion
Where does all the energy in a food web come from?
The Sun
What was the supercontinent that existed on Earth millions of years ago?
Pangea
What should you use to find information of different elements?
Periodic Table
Which subatomic particles are used to calculate the atomic mass of an atom?
Protons + neutrons
What is the formula to calculate speed?
Speed = Distance / Time
What type of organisms create their own food?
Autotrophs / Plants
What type of plate boundary do plates move away from each other?
Divergent boundary
Focus on main topic of question, write out information you may know from topic, eliminate bad answer choice, take your best educated guess.
Explain how an atom could have a negative charge.
An atom will have a negative charge if it has more electrons than protons.
What is the difference between speed and velocity?
Speed is distance / time.
Velocity is speed WITH direction.
Create an accurate example of a food chain.
Ex: Grass ---> Capybara ---> Jaguar ---> Ants (decomposers)
What is the difference between rotation and revolution?
Rotation is to spin, revolution is to move around an object.
True or False:
When reading answer choices you should read all of them, and eliminate choices you know are incorrect.
True
What is the determining factor in identifying an atom?
The number of protons found in the nucleus.
Jimothy biked his 125 mile race in 5 hours. What was Jimothy's speed?
Hint: Don't forget the metric!
A wildfire burns all the plants in an ecosystem. What are the effects on the rest of the food web?
All organisms population would decrease.
What causes the different seasons?
The tilt of Earth's axis
It is important to finish as fast as you can.
False.
Correctly list the number of protons, neutrons, and electrons in an atom of Silver (Ag).
Protons = 47
Neutrons = 61
Electrons = 47
How long will your road trip take if your destination is 350 miles away, you stop for lunch which takes an hour, and your average speed is 70 mph while driving?
6 hours
If the apex predator in an ecosystem would vanish, how would it effect the rest of the ecosystem?
Their prey's population would increase, eating more of the plants they eat, causing the plants population to decrease.
What is the most concrete evidence of plate tectonic theory?
Fossils of the same organisms found in different continents.
List three test taking strategies you could use for the STAAR test.
Take your time
Read each question carefully
Use all context clue
Eliminate bad answers
etc.