U2 B4 1HVTTO

• Biologie
• Middelbare school
• vwo
• Leerjaar 1

B4 Cells

• Take off your jacket
• Put your things on your desk

       Book/laptop,

       Notebook  

• Bag on the floor
• Read pgs. 110-112

Lessongoals

• You can name parts of animal cells with their features and functions.
• You can name parts of plant cells with their features and functions

Homework U2 B4

Asgmt 1-7

OR challenge

Asgmt 5-10

Wheel of homework

Go to Lessonup.app and use this code

Reward

Penalty

Koen and Revinho look at a microscopic picture of bacteria.
Koen says: The bacteria form a tissue
Revinho says: 1 bacteria is a cell.
Which statement is/are correct?

1. Koen is correct
2. Revinho is correct
3. Both are correct
4. Both are incorrect

Plants have stomata. Florien compares the amount of stomata on a cactus, with the amount on a tropical plant with big leaves.
What will she probably find?

1. The cactus has the least stomata
2. The tropical plant has the least stomata
3. Both plants have an equal amount of stomata

Jay wants to move a plant in the garden.
First he takes it out of the ground. When he looks at the roots he notices that some of them are thicker than others.
Explain, why are these roots thicker?

Jay makes a hole and puts the plant in its new spot.
He covers it with some soil and gives it a bit of water.
A few days later all stems and leaves have wilted.
Explain, what could have caused the wilting of the plant?

Cells

Organisms are made up of many cells.

Cells contain organelles

Organelles = the 'organs' of cells

cell membrane

cell wall

nucleus

cytoplasm

chloroplast

vacuole

Plastids

Only plant cells contain plastids:

• Chloroplast

           Performs photosynthesis, makes plant green

• Chromoplast

           Gives colour to fruit and flowers

• Amyloplast

           Contains        starch , found in potatoes

Plastids can change into other types of plastids

starch

substance made out of glucose, a way for plants to store food

Explain what happens when the tomato changes from green to red.

What you should do: U2 B4

• Pages  110-115
• Asgmt  1-7 

OR challenge

• Asgmt 5-10

Done with the above?

• Work on the next chapter(s)
• Learn for the test 
• Make other homework
• Read a book

Zs = Working in Silence

• No asking questions
• Silent, don't disturb anyone
  
• Stay at your  desk

What you should do: U2 B4

• Pages 110-115
  
• Asgmt 1-7
  

OR challenge

• Asgmt 5-10

Done with the above?

• Work on the next chapter(s)
• Learn for the test 
• Make other homework
• Read a book

Zw = Working with whispering

• Teacher is available for questions
• Only whisper with the student next to you
• Stay at your  desk

Tidy Duty

Today these people are on tidy duty

• Desks: empty and straight
• Chairs:  underneath the desks
• Floor: no rubbish