Biology
Earth & Environmental Science
Chemistry
Physics
Scientific Thinking & Lab Skills
100

What macromolecule stores genetic information?

Nucleic acids (DNA/RNA)

100

What type of plate boundary occurs when two plates move away from each other?

Divergent boundary

100

What is the atomic number of an element equal to?

Number of protons

100

What equation is used to calculate speed?

Speed = distance ÷ time

100

What is the independent variable in an experiment?

The variable that is manipulated

200

Which organelle modifies and packages proteins for transport?

Golgi apparatus

200

Which biogeochemical cycle involves processes such as nitrogen fixation and denitrification?

Nitrogen cycle

200

What type of reaction absorbs energy from its surroundings?

Endothermic reaction

200

What unit is force measured in?

Newtons

200

What tool is used to measure liquid volume accurately in a lab?

Graduated cylinder

300

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

Metaphase

300

What layer of the atmosphere contains the ozone layer?

Stratosphere

300

What is the name of the bond formed by the transfer of electrons?

Ionic bond

300

Which law explains why objects in motion stay in motion unless acted upon by a force?

Newton’s First Law

300

What type of graph is best for showing the relationship between two continuous variables?

Line graph

400

What type of feedback loop maintains homeostasis, such as body temperature regulation?

Negative feedback

400

What principle states that the present is the key to the past?

Uniformitarianism

400

What factor increases the rate of a chemical reaction by lowering activation energy?

Catalyst

400

What type of wave requires a medium to travel through?

Mechanical wave

400

What term describes data that supports a hypothesis?

Evidence

500

During cellular respiration, which molecule is the final electron acceptor in the electron transport chain?

Oxygen

500

What process causes oceanic plates to sink beneath continental plates?

Subduction

500

According to Le Châtelier’s Principle, how does a system at equilibrium respond to stress?

It shifts to counteract the change

500

What happens to the wavelength of a wave if its frequency increases (assuming constant speed)?

Wavelength decreases

500

Why are control groups important in experiments?

They provide a baseline for comparison