Foundations of Chemistry

Matter than consists of only one atom

• Homogeneous mixture
• Compound
• Substance
• Element

Matter in which substances are not evenly mixed

• homogenous mixture
• compound
• heterogenous mixture
• element

Matter containing atoms of two or more elements  chemically bonded together

• Element
• Heterogenous Mixture
• Homogenous Mixture
• Compound

Tags

NGSS.MS-PS1-5

What physical property can you use to separate a salt water solution?

• mass
• density
• magnetism
• boiling point

 What is a sign that a chemical change has occurred?

• Size
• Shape
• Smell/Odor
• State of Matter

Tags

NGSS.MS-PS1-2

Temperature measures

• Thermal energy
• Potential energy
• Kinetic energy
• Storage energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which of the following has greatest kinetic energy?

• ice-cream
• hot soup
• sandwich
• drinking

Which is NOT a method to increase reaction rate (speed)?

• increase in temperature
• make pieces smaller
• using larger containers
• increasing the concentration

Changes that form new substances and make matter change its identity are 

• Physical changes
• Physical properties
• Chemical changes
• Changes in state of Matter

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a sign that rusting is a chemical change?

• smell
• bubbles
• change in color
• change in state of mater

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5