Science 15

What is the purpose of a graduated cylinder?

• Heating chemicals

• Measuring liquids

• Holding solids

• Mixing substances

 Which HHPS symbol means a substance can burn your skin or eyes?

• Flammable

• Corrosive

• Explosives

• Poisonous

 What is the main characteristic of a pure substance?

• It contains multiple types of particles
  

• It is always a liquid
  

• It is made up of only one type of particle
  

•  It cannot be observed
  

Which of the following is a chemical property?

• Colour

• Density

• Flexibility

• Combustibility

 Which state of matter has particles that are far apart and move quickly?

• Solid

• Liquid

• Gas

• Plasma

Which of the following is a property of metals?

• Poor conductor of electricity
  

• Brittle
  

• Dull appearance

•  Lustrous and malleable
  

In a solution, the substance that dissolves is called the: 

• Solvent

• Solute

• Compound

• Element

 What is the pH range of acids?

• 0 to 7

• 7 to 14

• Exactly 7

• 1 to 14

1. Which part of the microscope controls the amount of light reaching the specimen?

• Stage

• Diaphragm

• Light Source

• Eyepiece

1. Which organelle is found only in plant cells?

• Nucleus

• Mitochondria

• Chloroplast

• Golgi Body