What does digestion involve? Whiteboard exercise Play

What is digestion? Animation Play

What is on the graph? Whiteboard exercise Play

What is on the graph? Student activity Play

Where are nutrients digested? Whiteboard exercise Play

Where are nutrients digested? Student activity Play

Where does digestion occur? Animation Play

Which line is steeper? Animation Play

Which line is steeper? Student activity Play

Who is faster and who is slower? Whiteboard exercise Play

Why is nutrition necessary for survival? Student activity Play

Work and the time necessary to perform it – part 1 Student activity Play

Work and the time necessary to perform it – part 2 Student activity Play

Working with mixed numbers Student activity Play

Writing on the computer Animation Play

Yoko's and Lena's savings Student activity Play

Yoko's discovery Animation Play

Yoko's savings Whiteboard exercise Play

Zero-order reactions Whiteboard exercise Play

Zero-order reactions Student activity Play