Click image to open full size
Early Learners
Science Tools for Young Scientists
Magnifier, Ruler, Thermometer, and Scale
Related Tools
Related Labs
Related Worksheets
Young scientists use tools to learn about the world around them. Science tools help us look closely, measure carefully, and stay safe while we explore. A magnifying glass, ruler, thermometer, balance scale, and safety goggles are useful tools for simple classroom investigations. Learning the name and job of each tool helps students ask questions and find answers.
Key Facts
- A magnifying glass makes small things look bigger.
- Safety goggles protect your eyes during science activities.
- A ruler measures length in centimeters or inches.
- A thermometer measures temperature in degrees.
- A balance scale compares how heavy two objects are.
- Careful scientists observe, measure, record, and share.
Vocabulary
- Tool
- A tool is something that helps you do a job.
- Observe
- To observe means to use your senses to learn about something.
- Magnifying glass
- A magnifying glass is a tool that makes small things look bigger.
- Measure
- To measure means to find the size, length, weight, or temperature of something.
- Safety goggles
- Safety goggles are glasses that protect your eyes.
Common Mistakes to Avoid
- Using a tool as a toy: Science tools can break or hurt someone, so they should be used carefully and only for learning.
- Looking at the Sun with a magnifying glass: This can hurt your eyes, so never point a magnifying glass at the Sun or look at the Sun through it.
- Starting a ruler at the wrong place: Measurements should start at 0 so the length is counted correctly.
- Forgetting to write down observations: Scientists record what they see and measure so they can remember and share their results.
Practice Questions
- 1 Mia measures a leaf with a ruler. The leaf starts at 0 cm and ends at 6 cm. How long is the leaf?
- 2 A class has 4 magnifying glasses and 3 thermometers. How many science tools do they have in all?
- 3 You want to look closely at tiny lines on a rock. Which tool should you choose, and why?