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Biblioteka

Chemical Reactions Webquest

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Posljednje ažuriranje over 3 years ago
16

Use the website links and then answer the questions below. Each section will go with the web address at the top.

Link: https://www.ducksters.com/science/chemistry/chemical_reactions.php

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For the next section, use the website below: http://www.chem4kids.com/files/react_intro.html

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For this section, use this website:

https://www.coolkidfacts.com/chemical-reactions/

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Pitanje 1
1.

A chemical reaction is a process where a set of substances undergo a _____________ change to form a _____________ _____________________.

Pitanje 2
2.

Chemical reactions happen in our body when we digest __________________

Pitanje 3
3.

Metal rusting, wood burning and batteries making electricity are all examples of ____________________ ______________________

Pitanje 4
4.

A ______________________ is any substance that is consumed (used up) during a chemical reaction

Pitanje 5
5.

A ______________________ is the substance(s) that we end up with after a chemical reaction has happened

Pitanje 6
6.

A synthesis reaction is when you start with _____________________ substances and end up with _____________________ substance

Pitanje 7
7.

A decomposition reaction is when you start with _____________________ substance and end up with _____________________ substances

Pitanje 8
8.

It can be helpful when working with atoms, to imagine that you are working with _______________

Pitanje 9
9.

A chemical change occurs when you start with one molecule and end with _________________

Pitanje 10
10.

The change in temperature is a __________________ change.

Pitanje 11
11.

________________ reactions often happen as a part of a larger series of reactions.

Pitanje 12
12.

While some chemical reactions happen very quickly, like an explosion, others take a good ___________ _________________.

Pitanje 13
13.

An example of an extended chemical reaction would be _____________ _____________.

Pitanje 14
14.

The rate at which a reaction occurs is known as the ______________ _____________.

Pitanje 15
15.

An inhibitor is a substance that ___________ __________________ a reaction.

Pitanje 16
16.

A catalyst causes a reaction to ___________ ___________________.