Classifying and Identifying Rocks Worksheet

- Year groups
- Years 5–8
- File type
- Preparation
- Print ready
- Subject
- Earth Sciences, Science
- Topic
- Classifying Rocks, Identifying Rocks
- Resource types
- Worksheets, Worksheets & Printables
- Preparation
- Print ready
From the author
About this resource
When your science students have been introduced to the study of rocks, you may be interested in finding resources that will best serve and support their knowledge. This is a Classifying and Identifying Rocks Worksheet that will fit right in with your geology unit. This is ideal for upper elementary and middle school students in 4th – 7th grade. The objective is for students to correctly classify a variety of rocks.
It is a 1-page printable that comes with a graphic organizer at the top of the page and four short answer questions at the bottom.
The graphic organizer is composed of 7 columns and 7 rows. The column headings are as follows:
--Rock Name
--Colour
--Lustre
--Streak
--Transparency
--Magnetism (Yes/No)
--Hardness
This chart provides enough space to add details about 7 types of rocks.
The 4 questions will call students to determine the softest and hardest mineral from the samples as well as in the world.
While this worksheet can be completed independently, it will be just as effective to allow students to work together to complete the chart.
I hope you enjoy!
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In the classroom
Teaching tips & learning objectives
Learning objectives
Test and record physical properties (colour, lustre, streak, transparency, hardness, magnetism) for a rock or mineral sample
Identify the softest and hardest minerals among a set of tested samples using recorded hardness data
Name the softest and hardest minerals known in the world
Teaching tips
Gather physical rock or mineral samples before assigning this sheet — the table has no pre-filled data and is designed to be completed through hands-on testing rather than reading
Review the Mohs hardness scale or a comparable reference before the softest/hardest questions, since the sheet asks students to name the softest and hardest minerals known in the world
Pair a streak plate and a magnet with the samples, since the table has dedicated streak and magnetism columns
Skills covered
Physical-property testing — students test and record colour, lustre, streak, transparency, hardness, and magnetism for rock or mineral samples.
Comparative data analysis — students use their own recorded hardness data to identify the softest and hardest samples they tested.
Mineral-hardness knowledge — students name the softest and hardest minerals known in the world.
Good to know
Questions teachers ask about this resource
What do students need besides the worksheet itself to complete it?
Physical rock or mineral samples to test firsthand — the data table has no pre-filled entries, since students record colour, lustre, streak, transparency, hardness, and magnetism from their own testing.
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Resource details
Concepts & topics
Core concepts
Physical properties of minerals
Mohs hardness scale
Streak and lustre
Magnetism testing
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