All life needs water | Bitesize Science

Duration: 3'36''

Synopsis

Osmosis is a special type of diffusion, involving water, where molecules move from a high to a low concentration.

Further Information

More clips from Bitesize Science

Beneath the surface | Bitesize Science

Beneath the surface | Bitesize Science

BBC Two | 2014 | 3'09''

Microscopes continue to develop over time, giving us access to increasingly incredible magnification.

Blood Vessels | Bitesize Science

Blood Vessels | Bitesize Science

CBBC | 2021 | 35''

A short guide on blood vessels in the body.

Dance of the chromosomes | Bitesize Science

Dance of the chromosomes | Bitesize Science

BBC Two | 2014 | 1'54''

Mitosis is a type of cell replication that is essential to the human body's ability to grow and repair.

Endothermic and exothermic reactions | Bitesize Science

Endothermic and exothermic reactions | Bitesize Science

BBC Two | 2014 | 3'24''

Endothermic reactions absorb heat, while exothermic reactions give off heat.

Enzyme power and food as fuel | Bitesize Science

Enzyme power and food as fuel | Bitesize Science

BBC Two | 2014 | 4'50''

Enzymes are biological catalysts which help us to get the energy we need from food to survive.

Germination | Bitesize Science

Germination | Bitesize Science

BBC Two | 2014 | 3'19''

Seeds need the conditions to right in order to be able to germinate.

Growing bacteria | Bitesize Science

Growing bacteria | Bitesize Science

BBC Two | 2014 | 2'01''

Bacteria reproduce by cloning themselves, and in the right conditions can reproduce very quickly.

Internal reflection | Bitesize Science

Internal reflection | Bitesize Science

BBC Two | 2014 | 2'03''

An examination of how light can be internally reflected, and how this is used for carrying information in fibre optic cables.

Newtons laws | Bitesize Science

Newtons laws | Bitesize Science

BBC Two | 2014 | 5'13''

Newton's laws of motion continue to underpin principles in modern day physics.

Photosynthisis | Bitesize Science

Photosynthisis | Bitesize Science

BBC Two | 2014 | 3'16''

Photosynthesis is essential to life on this planet.

Solubility | Bitesize Science

Solubility | Bitesize Science

BBC Two | 2014 | 4'38''

Solubility is the measure of how much solute can dissolve in a solvent.

The circulatory system | Bitesize Science

The circulatory system | Bitesize Science

CBBC | 2021 | 47''

A short guide on the circulatory system.

The feather and the hammer | Bitesize Science

The feather and the hammer | Bitesize Science

BBC Two | 2014 | 3'17''

Air resistance affects different objects and how they fall differently, just as Galileo suggested.

The force of friction | Bitesize Science

The force of friction | Bitesize Science

BBC Two | 2014 | 1'50''

Any time one surface moves over another, there is a force of friction.

The oceans are changing | Bitesize Science

The oceans are changing | Bitesize Science

BBC Two | 2014 | 3'33''

Scientists believe that our oceans are becoming more acidic due to the CO2 we are producing being absorbed by the oceans.

The power of invisibility | Bitesize Science

The power of invisibility | Bitesize Science

BBC Two | 2014 | 1'40''

Light moves at different speeds through different objects, this can make objects appear in a different place to where they actua...

The race is on | Bitesize Science

The race is on | Bitesize Science

BBC Two | 2014 | 5'46''

The rate of a chemical reaction depends on the temperature, concentration, particle size and any catalysts present.

More resources about Cell Biology

01: Creation | How to Build a Human

01: Creation | How to Build a Human

BBC Two | 2002 | 49'12''

Scientists are now at the pivotal moment of being able to unlock the instructions hidden in the cells of humans.

03: The Secret of Sex | How to Build a Human

03: The Secret of Sex | How to Build a Human

BBC Two | 2002 | 48'49''

The precise mechanics of human sexual reproduction are revealed,using new technology to produce previously unseen images.

1: The Hidden Kingdom | The Cell

1: The Hidden Kingdom | The Cell

BBC Four | 2009 | 57'48''

Adam Rutherford tells the story of the biological cell. He explores how centuries of scientific and religious dogma were overturned by the d...

2: The Chemistry of Life | The Cell

2: The Chemistry of Life | The Cell

BBC Four | 2009 | 59'21''

Adam Rutherford explores how scientists delved deeper into the world of the cell, seeking to reveal the magic ingredient that can bring c...

3: The Spark of Life | The Cell

3: The Spark of Life | The Cell

BBC Four | 2009 | 58'48''

Adam Rutherford reveals how scientists are close to repeating what has happened only once in four billion years - the creation of a new life ...

Beneath the surface | Bitesize Science

Beneath the surface | Bitesize Science

BBC Two | 2014 | 3'09''

Microscopes continue to develop over time, giving us access to increasingly incredible magnification.

Biology: 1: Cell Biology | A-Level Studies

Biology: 1: Cell Biology | A-Level Studies

BBC Two | 1986 | 20'02''

First of series is a journey to the innermost depths of cells to explore the com plex yet beautiful processes which are the basis ...

Cell Cycle | AS Guru

Cell Cycle | AS Guru

BBC Two | 2005 | 15'04''

Programme for AS level students, comprising archive clips and interviews.

Cell Division | GCSE Bitesize Revision

Cell Division | GCSE Bitesize Revision

BBC Two | 2010 | 5'27''

Animated shorts to support students preparing for assessments in GCSE Additional Science.

Cell division | i-Science

Cell division | i-Science

BBC Two | 2009 | 2'23''

What is the role of mitosis and meiosis in the human body?

Cells | Curriculum Bites

Cells | Curriculum Bites

CBBC | 2003 | 6'59''

Schools science programme where topics in the double science curriculum are broken down into small chunks.

Cells and their environment | AS Guru

Cells and their environment | AS Guru

BBC Two | 2002 | 14'39''

Programme for AS level students, comprising archive clips and interviews.

Cells under a microscope | Science In Action

Cells under a microscope | Science In Action

BBC Two | 1999 | 1'40''

Spec references J247: B1.1a. Showing onion cells and cheek cells under a microscope.

Clones | i-Science

Clones | i-Science

BBC Two | 2009 | 3'34''

Daphne and Barbara are so similar because they are clones, two people who have exactly the same genetic makeup. When their mother was pregnant, her fertil...

Collagen | Secrets of Skin

Collagen | Secrets of Skin

BBC Four | 2019 | 1'56''

Collagen makes up 90% of the skin dermis. Professor Ben Garrod talks to a scientist studying collagen whose research has some ground-breaking appl...

Dance of the chromosomes | Bitesize Science

Dance of the chromosomes | Bitesize Science

BBC Two | 2014 | 1'54''

Mitosis is a type of cell replication that is essential to the human body's ability to grow and repair.

Death By Design | Horizon

Death By Design | Horizon

BBC Two | 1996 | 48'52''

The radical notion that each cell in our body is programmed to die has major implications for research into disease and bodily development. This fi...

Diffusion | Curriculum Bites

Diffusion | Curriculum Bites

CBBC | 2003 | 1'02''

Spec references J247: B2.1a J250: B2.1a. Definition of diffusion and what substances go into the cell.

Diffusion and Osmosis | GCSE Bitesize Revision

Diffusion and Osmosis | GCSE Bitesize Revision

BBC Two | 2010 | 4'28''

Spec references J247: 2.1a J250: 2.1a. Animated shorts to support students preparing for assessments in GCSE Additional Science.

Elastin | Secrets of Skin

Elastin | Secrets of Skin

BBC Four | 2019 | 1'28''

Why do we get wrinkles? Professor Ben Garrod explores the function of elastin in an animal's skin.