1.2 Explore your environment 2324

• Biologie
• Middelbare school
• havo, vwo
• Leerjaar 1

In your notebook

You need 4 empty pages in your notebook

We are going to use them for quiz questions

Write down the letters A, B, C and D

LessonUp

1. Go to Lessonup.com

2. Click on 'Register'

3. Click on 'Continue as student'

4. Enter the code.

5. Click on 'Register'

6. Enter your school email and create a password that only you know.

7. Enter your first and last name.

LessonUp

1. Go to Lessonup.com

2. Click on 'Register'

3. Click on 'Continue as student'

4. Enter the code.

5. Click on 'Register'

6. Enter your school email and create a password that only you know.

7. Enter your first and last name.

1.2 Explore your environment

Instruction microscope

Classifying organisms 

Work independently

End of class

Homework:  1.2

Next lesson: pencils, ruler and eraser!

Learning objectives

You can explain what an organism is.

You can view organisms with a magnifying glass and a microscope.

You can name characteristics of organisms.

You can look up the name of an organism.

enlarge

magnifying glass = allows you to enlarge small things about 10 times

microscope = instrument which you can use to view very small things, which you cannot see with the naked eye or with a magnifying glass.

Focus

1. Turn the table down (with the large adjusting screw)
   
2. Choose smallest lens (10 X 4)
   
3. Clamp the specimen to the table
   
4. Turn table up
   
5. Look through the eyepiece and turn the large screw until the image is sharp
   
6. Focusing with the center lens (yellow) (10 x 10 = 100)
   
7. Look through the eyepiece and turn the small screw until the image is sharp

Classifying based on characteristics

Identifying plants with a key

What part of the microscope do you use to look through?

1. field lens adjustment
2. objective
3. eyepiece lens
4. revolving nosepiece

revolving nosepiece

objective

eyepiece lens

tube

turning to another enlarging lens

holds the eyepiece lens

enlarges 10 times

lens that enlarges 4x, 10x and 40x

What is the function of the field lens adjustment?

1. enlarging the specimen
2. adjust the amount of light
3. to hold on to the microscope
4. turn the microscope on/off

Assignments

What? Make 1.2 assignments 3-6 and 13-17

How? Independent.

Help? Try it alone first. If you can't figure it out, you can discuss in a whisper. If you can't work it out, raise your hand.

Time? Until 5 minutes before the end of the lesson.

Finished? Ask the teacher to put the marking sheet in it's learning.

Yield? You have (partly) done your homework!