End of year Science review 2

• bb
• BB
• Bb
• B

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

• NaOH and H2O
• HCl and NaCl
• NaCl and H20
• NaOH and HCl

Tags

NGSS.HS-PS1-2

Which of the following types of matter are considered pure substances?

• mixtures and elements
• elements and compounds
• mixtures and compounds
• homogeneous mixtures and compounds

All of the following are environmental factors that can influence the physical traits of an organism, except _____________________.

• exposure to sunlight
• living conditions
• genotype
• injury

Tags

NGSS.HS-LS2-2

• as paramecia
• as cocci
• as spirilla
• as bacilli

Which 2 body systems work together to bring food into your body and remove wastes from your body?

• respiratory and excretory
• muscular and nervous
• immune and digestive
• digestive and excretory

You spill a small amount of a liquid chemical during an investigation. What is the first thing you should do?

• clean up the spill with paper towels
• pour water on the spill to dilute the chemical
• walk away and pretend not to notice the spill
• notify the teacher

Several properties of copper are listed below. Which one is a chemical property?

• It is ductile
• It is a good conductor or electricity.
• It reacts with air to form green copper sulfate.
• It melts at 1083 degress celcius 

How does the color of phenolphthalein change when this chemical contacts a base?

• from colorless to pink
• from pink to colorless
• from red to blue
• from blue to red

What is the smallest particle of matter that has all the properties of matter?

• an element
• an atom
• a compound
• a solution