7th Grade Thermal Expansion Quizzes, Questions & Answers

7th Grade

Top Trending Thermal Expansion Quizzes

The Big Shrink: The Thermal Contraction Quiz

The big "huddle" that happens when things get cold. As energy leaves a system, particles slow down and pull closer together, causing objects to shrink. This thermal contraction quiz explains why power lines sag in the...

Questions: 20 | Attempts: 11 | Last updated: Feb 13, 2026

Sample Question 1
What happens to the kinetic energy of particles when a substance cools down?

It increases

It decreases

It stays the same

It turns into potential energy

Sample Question 2
Thermal contraction causes the volume of most substances to decrease.

True

False

Sample Question 3
Why do power lines sag in the summer but look tight and straight in the winter?

Gravity is stronger in winter

Birds sit on them in summer

The metal contracts in the cold

The poles grow taller

Recent Thermal Expansion Quizzes

Growing Pains of Matter: Thermal Expansion Solids Quiz

Why do bridges have metal gaps and railroad tracks buckle in the sun? When solid objects get hot, their atoms need more elbow room, causing the entire structure to grow. This thermal expansion solids quiz explores the science...

Questions: 20 | Attempts: 10 | Last updated: Feb 2, 2026

Sample Question
What is the main cause of thermal expansion in a solid?

Particles getting larger

Particles moving faster and pushing apart

Particles multiplying

Particles turning into gas