Science Laboratory introduction

Science Laboratory introduction

Aim: To learn about  the expected behaviour in a science laboratory.

Our R9 Class Treaty

1.   Bags under your desk. 
2.   No food or drinks.
3.   No running.  
4.   Don't touch experiment.
5.  report any breakages or spills.
6.   Do not taste or sniff  anything.

Safety in a laboratory. 

teacher   shoes   practical  teacher laboratory   ask  sniff teacher  breakages 

1.   Follow the instructions given to you by the teacher.
2.   You must not enter the laboratory without your teacher. 
3.   Report all breakages to your teacher.
4.   You must never eat or drink in a laboratory.
5.   shoes  must be worn at all times.
6.   If you spill something you should tell your teacher immediately.
7.  You should wash your hands after every  practical activity.
8. You should know what you are doing. If in doubt ask your teacher.
9. Never taste or sniff chemicals.

In your group, discuss how the following scenarios could be dangerous.

1. Not putting your bag under your desk.
2. Running around in the laboratory.
3. Not wearing shoes in a laboratory.
4. Shaking a test tube with your thumb over its mouth?

How do we work in this laboratory?

• Test tube - This is used for experiments using liquids. They have a bung that can be placed in the top. Test tubes sit in a test tube rack.
• Conical Flask - This is used for experiments with liquid up to 150 ml. The flask has a rubber bung for the top and the glass is heatproof.
• 
• Glass Stirring rod - This is a 20cm glass rod used to stir and mix any liquids together.
• 
• Test tube tongs - These are used to hold a hot test tube after an experiment.
• 
• Spatula - This is for holding very small amounts of chemical powders.
• 
• Funnel - used to channel liquids into a smaller container.
• 
• Measuring Cylinder - This is used to measure liquids for experiments. The liquids will be poured into a beaker or test tube once measured out.
• 

My Investigation on climate change

My Investigation on climate change

ACIDIFICATION

DEFINITION: ACIDIFICATION OCCURS WHEN CO2 IS ABSORBED INTO THE WATER AT A HIGH RATE

What is happening to the oceans?

The ocean is taking to much CO2, because of that the fish can't settle by the ocean taking to much of CO2 the shellfish start to aciditate making them not able to form their shells. 

What does this do to shellfish?

They start to aciditate wish enables them to create their shells.

HOW DOES CLIMATE CHANGE CONTRIBUTE TO THE ACIDIFICATION OF OUR OCEANS?

2 Images;

DEFORESTATION

DEFINITION: CLEARCUTTING OF FORESTS

What are trees used for?

They're used for the water cycle, and transpiration and CO2 wood is mostly used for houses household items paper and pencils. 

HOW DOES DEFORESTATION AFFECT THE CLIMATE?

2 Images;

ICECAP MELT

DEFINITION: Ice melting and falling into the ocean  

If all the ice melted what would happen?

The seawater will rise higher and higher The ocean would cover all the coastal cities. And land area would shrink

HOW DOES ICECAP MELT AFFECT CLIMATE CHANGE?

2 Images;

WATER VAPOUR

DEFINITION:

Gas water 

HOW DOES  WATER VAPOUR AND EVAPORATION CONTRIBUTE TO CLIMATE CHANGE? 

As the climate warms, air temperatures rise more evaporation from water sources

2 Images;