Chemical Reactions Webquest

Last updated over 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

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

Food

Water

Air

Chemical Reaction

Physical reactions

Nuclear reactions

Over reactions

Product

Solute

reactant

Solution

Solution

Product

reactant

Solute

2,1

1,2

2,1

1,2

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

Sand

Water

Blocks

The same molecule

A different molecule

No molecules at all

Chemical

Nuclear

Physical

Triple

Double

Single

For this section, use this website:
 https://www.coolkidfacts.com/chemical-reactions/

Decade

long time

Century

vinegar and baking soda

Exploding dynamite

Metal rusting

reaction rate

change speed

chemical acceleration

Speeds up

Slows down

Slows down

Speeds up

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

Chemical reactions happen in our body when we digest __________________

Food

Water

Air

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

Chemical Reaction

Physical reactions

Nuclear reactions

Over reactions

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

Product

Solute

reactant

Solution

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

Solution

Product

reactant

Solute

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

2,1

1,2

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

2,1

1,2

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

Sand

Water

Blocks

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

The same molecule

A different molecule

No molecules at all

The change in temperature is a __________________ change.

Chemical

Nuclear

Physical

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

Triple

Double

Single

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

Decade

long time

Century

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

vinegar and baking soda

Exploding dynamite

Metal rusting

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

reaction rate

change speed

chemical acceleration

An inhibitor is a substance that ___________ __________________ a reaction. 

Speeds up

Slows down

A catalyst causes a reaction to ___________ ___________________.

Slows down

Speeds up