Lab safty quiz
Scientific method quiz
Matter and the atom quiz
elements,compunds and mixtures
(Blank)
100


What does the P in PASS stand for, in regards to fire extinguishers?*

pull the pin 

100

 

A variable that will be changed by the variable you change, meaning this is you are measuring the change of, is a _____________ variable.

Dependent 

100

Which subatomic particle do we use in order to make the atomic number (The atomic number equals the number of this particle)?

Proton

100


A __________________ is different from the elements that it is composed of, but a ____________________ may have properties similar to the pure substances that form it.

Atom,Element 

100

What are the two protective items required each time you enter a lab area?

Eye protection and gloves 

200

When is it ok to take off your protective gear and to leave the lab area (make sure your answer is the most correct, there are multiple correct answers)?

Once you have cleaned up your expeirment area 

200

Data that refers to the numerical values of what we are observing is:*

Quantitative Data

200

 A _________ is the smallest whole particle of matter*

Atom 

200


Water and sugar mixed together, dissolving and evenly distributing throughout, is an example of a ____________________ mixture

Homogenous 

200


Which subatomic particle has a neutral charge?*

Neutron

300


When taking recently heated glassware, you should clean it in:*

Warm water 

300

 

A variable that is changed by you in the experiment, meaning this is what you are changing each time you do a trial, is a _____________ variable.

Independent 

300

 What is an ion, as per our notes?*

An atom that carries an electrical charge

300


A ________________ is a combination of chemical symbols and numbers to represent a substance. It shows how many atoms of each element are in a unit of a substance.

Chemical Formula 

300

The atomic mass is made up of combining which two subatomic particles?

Protons and Netrons 

400

Which situation would the power shower come in handy?*

A pice of clothing has caught on fire 

400

 

Cole is testing to see if what he drinks before running effects his finish time. He tests it with water, juice, milk and carrot juice. He wears the same clothes and shoes regardless. What variable would the different drinks be classified as?

Independent 

400

Two atoms with different numbers of neutrons, but the same number of protons are called ___________?

Isotopes

400

When substances doesn't mix uniformly and aren't evenly distributed they form a _______________________

Heterogenous mixture 

400


 Matter is anything that has ____________ and takes up ________________

Mass  and space 

500

How long should you cleanse out your eyes after getting chemicals splashed up into them?

20 mins 

500

Cole is testing to see if what he drinks before running effects his finish time. He tests it with water, juice, milk and carrot juice. He wears the same clothes and shoes regardless. What variable would the running finish time be classified as?

Dependent 

500


True or False: A Cation is an ion with a positive charge.*

True

500

 

Water and sugar mixed together, dissolving and evenly distributing throughout, is an example of a ____________________ mixture

Homogenous 

500

 

What is an ion, as per our notes?*

An atom that carries an electrical charge