Physical Science Gizmos Answer Key
23 Gizmos available
Circuits
Build and test series and parallel circuits to understand how current, voltage, and resistance are related.
Forces and Motion
Investigate how forces affect the motion of objects and explore Newton's laws of motion.
Wave Properties
Explore the properties of waves including amplitude, wavelength, frequency, and wave speed.
Chemical Reactions
Investigate the signs of chemical reactions and explore factors that affect reaction rates.
Density
Discover how density is calculated and why objects float or sink in different liquids.
Magnetism
Explore magnetic fields, poles, and how magnets attract and repel each other.
Energy Transformations
Investigate how energy changes from one form to another in everyday situations.
States of Matter
Explore the properties of solids, liquids, and gases and how matter changes between states.
Atoms and Molecules
Explore the structure of atoms and how atoms combine to form molecules.
Balancing Chemical Equations
Learn to balance chemical equations by adjusting coefficients to satisfy the law of conservation of mass.
Sound Waves and Hearing
Learn how sound travels as waves and how our ears detect different pitches and volumes.
Light and Reflection
Study how light reflects off surfaces and how mirrors form images.
Acids, Bases, and pH
Test the pH of different substances and learn what makes something acidic or basic.
Electromagnetism
Discover the connection between electricity and magnetism by building electromagnets.
Refraction and Lenses
See how light bends when it passes through different materials and how lenses focus light.
Stoichiometry
Use mole ratios from balanced equations to calculate quantities of reactants and products.
Periodic Table
Learn how elements are organized in the periodic table and predict their properties.
Nuclear Reactions
Compare fission and fusion reactions and understand radioactive decay.
Speed, Velocity, and Acceleration
Calculate speed, velocity, and acceleration and interpret motion graphs.
Heat Transfer
Learn the three methods of heat transfer: conduction, convection, and radiation.
Atomic Structure
Build atoms and understand how protons, neutrons, and electrons determine element identity.
Chemical Bonding
Compare ionic and covalent bonds and predict how atoms will bond.
Phases of Water
Explore the three phases of water — solid, liquid, and gas — and understand heating curves, phase changes, and latent heat. Free answer key for all student exploration sheet questions.