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Chemical Reactions Webquest
By Melissa Luffman
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Last updated about 3 years ago
16 questions
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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
Question 1
1.
A chemical reaction is a process where a set of substances undergo a _____________ change to form a _____________ _____________________.
Physical, Same substance
Physical, Different substance
Chemical, Same substance
Chemical, Different Substance
Question 2
2.
Chemical reactions happen in our body when we digest __________________
Food
Water
Air
Question 3
3.
Metal rusting, wood burning and batteries making electricity are all examples of ____________________ ______________________
Chemical Reaction
Physical reactions
Nuclear reactions
Over reactions
Question 4
4.
A ______________________ is any substance that is consumed (used up) during a chemical reaction
Product
Solute
reactant
Solution
Question 5
5.
A ______________________ is the substance(s) that we end up with after a chemical reaction has happened
Solution
Product
reactant
Solute
Question 6
6.
A synthesis reaction is when you start with _____________________ substances and end up with _____________________ substance
2,1
1,2
Question 7
7.
A decomposition reaction is when you start with _____________________ substance and end up with _____________________ substances
2,1
1,2
For the next section, use the website below:
http://www.chem4kids.com/files/react_intro.html
Question 8
8.
It can be helpful when working with atoms, to imagine that you are working with _______________
Sand
Water
Blocks
Question 9
9.
A chemical change occurs when you start with one molecule and end with _________________
The same molecule
A different molecule
No molecules at all
Question 10
10.
The change in temperature is a __________________ change.
Chemical
Nuclear
Physical
Question 11
11.
________________ reactions often happen as a part of a larger series of reactions.
Triple
Double
Single
For this section, use this website:
https://www.coolkidfacts.com/chemical-reactions/
Question 12
12.
While some chemical reactions happen very quickly, like an explosion, others take a good ___________ _________________.
Decade
long time
Century
Question 13
13.
An example of an extended chemical reaction would be _____________ _____________.
vinegar and baking soda
Exploding dynamite
Metal rusting
Question 14
14.
The rate at which a reaction occurs is known as the ______________ _____________.
reaction rate
change speed
chemical acceleration
Question 15
15.
An inhibitor is a substance that ___________ __________________ a reaction.
Speeds up
Slows down
Question 16
16.
A catalyst causes a reaction to ___________ ___________________.
Slows down
Speeds up