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Physics

How Does Stellar Parallax Measure Distance to Stars?

Learn how stellar parallax uses Earth's orbit and apparent angular shift to calculate a star's distance in parsecs for IB Physics SL and HL exams accurately.

E.5 Fusion and stars

How Is Fusion Similar to and Different from Fission?

Compare nuclear fusion and fission in IB Physics through binding energy, mass defect, reaction conditions, chain reactions, products, waste, and stars.

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Every question IB students actually ask.

Physics

How Does Stellar Parallax Measure Distance to Stars?

How Is Fusion Similar to and Different from Fission?

MYP Subjects

Physics

How Does Stellar Parallax Measure Distance to Stars?

How Is Fusion Similar to and Different from Fission?

What's the Difference Between Astronomical Units, Light-Years, and Parsecs?

How Do You Determine a Star's Radius from Luminosity and Temperature?

What Are Newton's Three Laws of Motion?

What Is Impulse and How Is It Related to Change in Momentum?

How Does a Star's Mass Affect Its Life Cycle and Evolution?

How Do You Read a Hertzsprung-Russell (HR) Diagram?

What's the Difference Between Elastic and Inelastic Collisions?

What Are the Main Sequence, Red Giants, Supergiants, and White Dwarfs on an HR Diagram?

What's the Difference Between Mass and Weight?

What Keeps a Star Stable (Equilibrium Between Gravity and Radiation Pressure)?

How Do You Solve Momentum Conservation Problems for Explosions?

Why Is Fusion the Energy Source in Stars?

What Density and Temperature Conditions Are Needed for Fusion?

What Is a Sankey Diagram Used For?

What Are the Challenges of Managing Nuclear Waste?

What Is Moment of Inertia and What Does It Depend On?

How Do You Calculate the Energy Released in a Fission Reaction?

What Is Angular Momentum and Why Is It Conserved?

What Is Angular Impulse?

What Do Control Rods; Moderators; Heat Exchangers; and Shielding Do in a Nuclear Power Plant?

What Is Nuclear Fission?

How Does a Chain Reaction Work in a Nuclear Reactor?