Which property describes the amount of matter in an object?
mass
What do we call a pure substance made of two or more elements chemically bonded together?
Compound
Is melting ice a physical or chemical change?
Physical
What planet is closest to the Sun?
Mercury
What does “GRWM” stand for on TikTok and other social media?
Get Ready With Me
Which is an intensive property: mass, volume, or density?
density
Salt water looks the same throughout. Is it homogeneous or heterogeneous?
Homogeneous
Give one sign that a chemical change may have occurred.
Examples: gas production, color change, temperature change, precipitate, etc.
What gas do humans need for cellular respiration?
Oxygen
This reality dating show puts a group of singles together in a villa and asks them to “couple up.”
Love Island
A metal can be hammered into a thin sheet without changing its identity. What physical property does this demonstrate?
malleability
Trail mix contains visibly different ingredients. What type of mixture is it?
Heterogeneous
Describe how particles are arranged in a solid compared with a gas.
Solid particles are closely packed/ordered; gas particles are widely spaced and move freely.
What organelle is commonly called the "powerhouse of the cell"?
Mitochondria
In Fortnite, what is the name of the shrinking area that forces players closer together during a match?
The Storm
Explain why malleability is considered a physical property rather than a chemical property.
It changes the shape/form without creating a new substance.
What is one important difference between a pure substance and a homogeneous mixture?
Pure substance = one fixed composition; homogeneous mixture = multiple substances uniformly blended.
Magnesium is melted in one experiment and burned in another. Which change is physical, and which is chemical?
Melting = physical; burning = chemical.
What force keeps planets in orbit around the Sun?
Gravity
The 2026 FIFA World Cup was hosted across these three countries.
What are the United States, Canada, and Mexico?
Name two physical properties that involve or depend on a change of state.
Examples: melting point and boiling point
A substance requires a large amount of energy to break it into its individual elements. Is it most likely an element, compound, or mixture? Explain.
Compound — its elements are chemically bonded, so breaking those bonds requires energy.
Vinegar and baking soda react and produce carbon dioxide gas. Explain why this is evidence of a chemical change.
A new substance, CO₂, is produced.
What is the chemical symbol for potassium?
K
Christopher Nolan's huge summer 2026 movie starring Matt Damon is based on this ancient Greek epic.
What is The Odyssey?