3V-SK-P1-H1.2-LabVaardigheden-Dichtheid-2324-BENO

• Scheikunde
• Middelbare school
• havo, vwo
• Leerjaar 3

Learning aims

I can ...

... conduct a small experiment in a lab setting.

... make notes of experimental results to use them later.

... make calculations to form a conclusion.

... follow the rules for working in a lab.

... help others remember the rules.

what is it used for?

Guess

a beaker is used for mixing and heating chemicals 

what is it used for?

Guess

a bunsen burner is used to heat and burn materials.

what is it used for?

Guess

a conical flask is used to mix chemicals.

what is it used for?

Guess

a funnel is used for filtrations

what is it used for?

Guess

a tripod is used to support materials

what is it used for?

Guess

a gauze is used on top of tripods to support materials

what is it used for?

Guess

a graduated cylinder is used to accurately measure the volume of a liquid

what is it used for?

Guess

a round bottom flask is used for mixing and heating chemicals

what is it used for?

Guess

a pair of tongs are used to hold hot objects

what is it used for?

Guess

a wash bottle is used to add water

Which were not mentioned

 What are their functions?

Now, let's see if we can do it?

We will calculate the densities of 3 different liquid mixtures.

1. Remove the 2 plasctic covers from the balans.

2. Measure volume with your eyes at meniscus level.

Learning aims

I can ...

... conduct a small experiment in a lab setting.

... make notes of experimental results to use them later.

... make calculations to form a conclusion.

... follow the rules for working in a lab.

... help others remember the rules.

Discuss in pairs all the materials which can be used to mix chemicals in, write your conclusion in your notebook.

You can mix chemicals in a:

- test tube

- beaker

- conical flask

- round bottom flask

Discuss in pairs all the materials needed to heat up water and write out your conclusion.

You can heat water with the following:

- bunsen burner

- beaker

- gauze

- tripod

- round bottom flask

Write down the names of all items shown.

The items shown were:

- beaker

- funnel

- conical flask

Write down the names of all items shown

The items shown were:

- test tube

- test tube holder

- thermometer

Write down the names on the whiteboard of all items shown

The items shown were:

- bunsen burner

- gauze

- tripod

Learning aims

I can ...

... conduct a small experiment in a lab setting.

... make notes of experimental results to use them later.

... make calculations to form a conclusion.

... follow the rules for working in a lab.

... help others remember the rules.

In pairs you are going to do the following:

Person 1: Draw one of the chemistry materials which has not been drawn yet

Person 2: Will say the name of the drawn material and what it is used for.

Now switch roles and pick a different item.

Continue until each of you has guessed 5 items correctly

a ... is used for mixing and heating chemicals

a ... is used to support test tubes

a ... is used for measuring temperature

a pair of ... are used to hold hot objects

a ... is used to add water

a ... is used to hold a test tube

a ... is used to clean a test tube

a ... is used to heat and burn materials.

a ... is used to mix chemicals

a ... is used for filtrations

a ... is used to support materials

a ... is used on top of tripods to support materials

a ... is used to accurately measure the volume of a liquid   

Draw a picture of a beaker and upload it here.

Draw a picture of a graduated cylinder and upload it here.

Draw a picture of a test tube stand with test tubes and upload it here