Process: - Chemicals like sulfur dioxide and nitrogen are released into the air - These substances rise into the high atmosphere - They react with water and oxygen - This creates a more acidic rain - The rain with the high acid content falls. Question: suppose more acid rain happens, how will it affect LESS damage by acid rain. - A: more - B: less - C: no effect
Ans: B

Process: - The bat sends out sound waves from their mouth or nose - The sound waves hit an object - Echoes are produced - The echo returns to the bat's ears - The bat hears the echo - The bat can figure out where the object is located. Question: suppose the person is on a diet happens, how will it affect more echoes are produced. - A: more - B: less - C: no effect
Ans: C

Process: - Get the ice tray - Remove any ice cubes currently in the tray - Fill the tray with cold water - Ensure the tray is evenly filled to an appropriate level - Open the freezer - Place the tray in the freezer - Close the freezer door - Wait. Question: suppose more water fills the tray happens, how will it affect MORE ice cubes being made. - A: more - B: less - C: no effect
Ans: A

Process: - Electromagnet creates magnetic field with electricity - Conductive copper wire is wrapped around a piece of metal - An electric current gets introduced from power source - Flows through the wire - Magnetic field gets created in the wire - And the metal gets magnetized - When turned off it is no longer magnetic. Question: suppose the animal finds plenty of food happens, how will it affect a STRONGER electromagnet. - A: more - B: less - C: no effect
Ans: C