Chemistry Pre Test

What is matter?  

• anything that has mass and takes up space
• the ratio of the mass of a substance to its volume
• the basic particle from which all elements are made
• a substance that cannot be broken down to any other substance by physical or chemical means

Tags

NGSS.MS-PS1-5

What must a property do to be considered a chemical property?

• mixed so evenly that you cannot see the different parts
• mixed so the individual parts can be easily seen and separated out
• change a substance into a completely different substance
• a property of matter that can be   observed without changing the substance into another   substance

Which of the following is true about matter?

• It is a solid that takes up space
• It has weight and takes up space
• It has mass and is usually a liquid
• It has mass and takes up space

Tags

NGSS.MS-PS1-5

Which is an example of a physical property of matter?

• Rust
• Water freezing to ice
• Flammability
• These are all chemical properties

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

What can you conclude about ice when it floats in water?

• ice is more dense than liquid water
• ice is an element
• ice is a homogenous mixture 
• ice is less dense than liquid water

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

In a controlled experiment, how many independent variables can be worked with at a time? 

• one
• none
• two or more
• how ever many makes sense.

Two types of data scientists collect are...

• hypothesis and theory
• qualitative and quantitative
• myths and fables
• metric and standard measurements

Malleability is an example of a

• physical property

• chemical property

• physical change

• chemical change

Which of the following is classified as a metal? 

• Ge
• As
• F
• V

Tags

NGSS.HS-PS1-1