What is the term for the amount of mass in a given volume?
A) Volume
B) Density
C) Kinetic Energy
D) Magnetism
B) Density
Which state of matter has particles tightly packed in a fixed arrangement?
A) Liquid
B) Gas
C) Solid
D) Plasma
C) Solid
Which of these is a pure substance?
A) Salt (NaCl)
B) Lemonade
C) Salad
D) Milk and cereal
A) Salt (NaCl)
If an object floats in water, its density is:
A) Greater than water
B) Less than water
C) Equal to water
D) Unknown
B) Less than water
Which has a definite shape?
A) Liquid
B) Solid
B) Solid
Which word means a mixture where you can see the different parts easily?
A) Homogeneous mixture
B) Pure substance
C) Heterogeneous mixture
D) Solution
C) Heterogeneous mixture
Which state of matter does NOT have a definite shape or volume?
A) Solid
B) Liquid
C) Gas
D) None of the above
C) Gas
A homogeneous mixture is:
A) A mixture where you can see different parts
B) A mixture with uniform composition
C) A single pure element
D) A mixture that settles quickly
B) A mixture with uniform composition
Which fluid is denser than water?
A) Rubbing alcohol
B) Vegetable oil
C) Honey
D) Lamp oil
C) Honey
Which mixture looks uniform and you cannot see the parts?
A) Homogeneous mixture
B) Heterogeneous mixture
A) Homogeneous mixture
What is kinetic energy?
A) The energy of motion
B) The energy stored in food
C) The energy of light
D) The energy of sound
A) The energy of motion
Particles in a liquid:
A) Are fixed and vibrate in place
B) Are close together but move around each other
C) Are far apart and move quickly
D) Do not move at all
B) Are close together but move around each other
Give three examples of a homogeneous mixture.
Examples: Smoothie, lemonade, kool-aid
Which of these best describes density?
A) The amount of mass in a certain volume
B) How hot or cold something is
C) The total volume of an object
D) The force exerted by gravity on an object
A) The amount of mass in a certain volume
Which state of matter’s particles move fastest?
A) Liquid
B) Gas
B) Gas
What do we call a substance made of only an element or compound?
A) Mixture
B) Pure substance
C) Homogeneous mixture
D) Solution
B) Pure substance
Which state of matter has the highest kinetic energy?
A) Solid
B) Liquid
C) Gas
D) Plasma
C) Gas
Give three examples of a heterogeneous mixture.
Salad, Trail mix, Chunky salsa
What happens to an object denser than the fluid it is placed in?
A) It floats
B) It sinks
C) It evaporates
D) It melts
B) It sinks
Which physical property tells you the temperature a solid changes into a liquid?
A) Boiling point
B) Melting point
B) Melting point
Which physical property measures how easily electricity passes through a substance?
A) Hardness
B) Density
C) Electrical conductivity
D) Color
C) Electrical conductivity
What happens to gas particles when the gas is cooled?
A) They move faster
B) They move slower
C) They stay the same
D) They disappear
B) They move slower
Give two examples of a pure substance.
Something that is chemically bonded (an element or compound)
Gold, Salt, Water
If a Styrofoam ball floats in cooking oil, what can you say about Styrofoam’s density?
A) It is more dense than cooking oil
B) It is less dense than cooking oil
C) It has the same density as cooking oil
D) It is a gas
B) It is less dense than cooking oil
If an object sinks in water but floats in vegetable oil, is its density:
A) Less than water but more than vegetable oil
B) More than water and vegetable oil
A) Less than water but more than vegetable oil