Biology
Chemistry
Physics
Mixed Science
AP-Level Thinking
100

What organelle is responsible for ATP production?

What is the mitochondria?

100

What is the pH of a neutral solution?

What is 7?

100

What is the SI unit of force?

What is a Newton?

100

Which variable is kept constant in an experiment?

What is a control variable?

100

What term describes the minimum energy needed for a reaction to occur?

What is activation energy?

200

What macromolecule are enzymes made of?

What are proteins?

200

What type of bond involves the sharing of electrons?

What is a covalent bond?

200

What formula represents speed?

What is distance divided by time?

200

Which particle determines the identity of an element?

What is a proton?

200

What phase of meiosis is crossing over most likely to occur?

What is prophase 1?

300

During photosynthesis, oxygen comes from the splitting of what molecule?

What is water?

300

This theory explains why higher temperature increases reaction rate.

What is collision theory?

300

Which law explains why an object at rest stays at rest?

What is Newton's first law?

300

Which organelle modifies, packages, and ships proteins?

What is the Golgi apparatus? 

300

Why does increasing surface area increase reaction rate?

What is more frequent collisions?

400

In DNA, adenine pairs with which base?

What is thymine?

400

According to redox reactions, oxidation is the loss of what?

What are electrons?
400

What happens to kinetic energy if an object's speed doubles?

What is it quadruples? 

400

As frequency increases, what happens to wavelength?

What is it decreases?

400

What quantity is conserved in elastic collisions?

What is momentum? 

500

During which phase of mitosis do chromosomes line up at the cell’s equator?

What is metaphase?
500

What is 109.5 degrees?

What is a tetrahedral bond angle?

500

What type of wave does not require a medium?

What is an electromagnetic wave?

500

Which graph shows constant acceleration?

What is a straight line on a velocity- time graph?

500

What principle explains why pressure increases when volume decreases at constant temperature?

What is Boyle's Law?