1. 
Rapeseed oil is pressed out of rapeseed in an oil mill.

2. 
Fill in the blank:

Sugar can come as powder, crystals or cubes – these are different objects, but the same .

3. 
Steel girders are preferred in house-building because they are cheaper than wooden beams.

4. 
What is it called when a substance changes, for example when rapeseed oil and methanol become biodiesel?

5. 
What is meant in chemistry by the term "object"?

6. 
Fill in the blank:

Sugar tastes sweet, salt tastes .

7. 
Why can rapeseed oil not be used directly as fuel in vehicles?

8. 
Fill in the blank:

In a salt mine, the salt is either mined directly or dissolved out using water as .

9. 
Fill in the blank:

Steel girders have a very high and are therefore used for bridges and skyscrapers.

10. 
Fill in the blank:

Rapeseed oil and methanol can be used to make the new substance .

11. 
Crystallised sugar and salt look like similar objects. How can you tell that they are different substances?

12. 
Gases and liquids can also be described as objects.

13. 
Fill in the blank:

For liquids and gases, the shape of the object is determined by the or its casing.

14. 
Fill in the blank:

When the water is evaporated from the brine, the dissolved is left behind.

15. 
What area of chemistry deals with investigating why sugar tastes sweet and salt tastes salty?