Grade 7 Science Practice App: 1,000+ Questions with Explanations
Grade 7 science (Mathayom 1 in the Thai system) lays the foundation for the rest of lower secondary school, from scientific skills and cells to heat energy and weather. Students who build a solid base in M.1 find M.2 and M.3 far easier. One of the most effective ways to get there is regular Grade 7 science practice questions with clear explanations for every answer.
ตะลุยโจทย์ วิทย์ ม.1 (Science M.1 Practice) by ChatStick Company Limited packs more than 1,000 science questions across 6 chapters, each with an explanation. A friendly dinosaur guide named Rex walks students through the questions one at a time. This review covers what the app offers, who it suits and how to get started.
Why regular practice matters for Grade 7 science
Grade 7 science is not just about memorizing facts. Exams often ask students to read graphs and tables or analyze the results of an experiment. Students who only read the textbook tend to struggle when they meet these question styles for the first time. Practice questions reveal the patterns, show where misunderstandings are, and help concepts stick longer than reading alone.
Getting immediate feedback is just as important. Every question in this app explains the correct answer and why it is correct, so a wrong answer becomes part of learning rather than a lost point. Over time, reading these explanations also trains students to spot the key words and data in a question before choosing an answer, a habit that carries over to every science test.
Six chapters aligned with the Thai core curriculum
The questions were newly written based on the Thai Basic Education Core Curriculum B.E. 2551 (revised B.E. 2560), Science and Technology learning area. The content is organized into six chapters:
Scientific skills and processes
Pure substances and their properties
Cells: the basic unit of living things
How plants live
Heat energy
Weather and atmospheric change
Question styles range from comprehension and analysis to reading graphs and tables and interpreting experiments. Each topic also has a short summary that takes one to two minutes to read, with redrawn illustrations such as plant and animal cells, microscopes, photosynthesis and the water cycle.
Key features
1,000+ practice questions: covering all six Grade 7 science chapters
Explanations for every question: the answer, the reasoning, common misconceptions and memory tips
Mistake notebook: saves missed questions so students can review them until mastered
Weakness analysis: shows which topics need more practice
Progress tracking: accuracy and study statistics by chapter
Daily goals and streaks: help build a consistent study habit
Coins and levels: a game-like experience that keeps practice engaging
Seven practice modes for any schedule
Study by chapter: work through the content in order
Quick 10: ten questions for short breaks
Daily missions: a set task each day
Timed practice: build exam pacing
Mock exams: mixed-topic exam practice
Missed questions only: revisit past mistakes
Automatic weakness practice: the app picks questions from weaker topics
How to get started
Download the app for free from the App Store
Pick the chapter you are studying and read its short summary
Answer questions and read every explanation, especially for wrong answers
Come back to missed questions and weakness practice until your accuracy in each chapter improves
Note: the questions are curriculum-aligned practice items, not official government exams.
App information
App name: ตะลุยโจทย์ วิทย์ ม.1
Price: Free to download, with an optional one-time in-app purchase "Unlock All Features" for THB 99 (unlocks everything, ad-free)
Compatibility: iPhone (iOS 18.0 or later), iPad (iPadOS 18.0 or later), Mac with Apple M1 chip or later (macOS 15.0 or later), Apple Vision (visionOS 2.0 or later)
Size: 25.2 MB
Category: Education, rated 4+
Developer: ChatStick Company Limited
Frequently asked questions
Who is this app for?
Grade 7 (M.1) students preparing for exams, students who want to strengthen their science foundation, and parents who want their children to practice in a structured way.
Is it free?
Yes. The app is free to download and use for daily practice. A one-time purchase of THB 99 unlocks all features with no ads.
Does it follow the Thai curriculum?
The questions were newly written based on the Basic Education Core Curriculum B.E. 2551 (revised B.E. 2560), Science and Technology. They are practice questions, not official exams.
Which devices are supported?
iPhone with iOS 18.0 or later, iPad with iPadOS 18.0 or later, and Mac with an Apple M1 chip or later.
Conclusion
If you are looking for Grade 7 science practice questions with enough volume, an explanation for every answer and clear tracking of weak spots, this app covers it: short topic summaries, seven practice modes, a mistake notebook and weakness analysis.
A few questions a day, done consistently, plus regular review of mistakes, is a simple routine that builds a strong science base before moving on to M.2.
Explore more education and sticker apps from ChatStick on the ChatStick Company Limited developer page on the App Store
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