Physical Properties Test Review
1)
When would a science student need to wear safety
goggles? At all times in the lab
2)
Elizabeth was heating a beaker of
water on a hot plate. What pieces of safety equipment should she be using?
Safety goggles, gloves, apron,
3)
What state of matter takes the shape of its
container? liquid
4)
John is building a simple electrical circuit
that can be used for light energy. What materials will John need? A metal
conductor, battery, light bulb
5)
A circuit is constructed using a 6-volt battery,
copper wires, and a bell. Another circuit is constructed using a 9-volt
battery, string, and a bell. The first circuit produced a sound. Why did the
other circuit not produce a sound? The second one did not have a conductor to
allow the electrical energy to pass through it.
6)
Draw a complete and working electrical circuit.
7)
A magnet has been dipped into each
substance. Which substance is most likely coffee?
The coffee is the magnet that has nothing on it
8)
How would you separate a mixture of
iron fillings and pepper? By using a magnet
9)
Where would you place a thermometer
when measuring the temperature of a solution? Inside the solution
10)
A student plans to boil water in an
experiment. The student gets all the needed safety equipment from the teacher. Lists all the tools the student needs to
measure the boiling point of water? Thermometer
11)
What is likely to happen when a pot
of water begins to boil on a stove top? The water begins to heat up and bubbles
begin to form filled with the gas form of water. Steam then rises out of the pot of water
showing the transformation of water as a liquid into water as a gas.
12)
What is the freezing point of water
in Celsius? degrees
13)
When using a thermometer do we use
the Celsius or Fahrenheit? Celsius
14)
If a ball is floating in a cup of
water does it have a higher or lower density than the water? It has a lower
density than the water because it is floating.
15)
A piece of copper is placed on a hot plate for
one minute. When the copper is picked up with tweezers, the copper is as hot as
the hot plate. The copper is said be a ________. Conductor
16)
Which of the following are good electrical
conductors (penny, rubber band, shoelace, or wooden toothpick)? Only the penny
is because it is the only metal.
17)
A student examines a bar made of an
unknown material. The material is shiny, hard, and feels cool to the touch. The
student discovers that the bar conducts electricity. What is the bar most
likely made of? Metal
18)
Why is a toaster's electrical cord
covered in plastic? So it can insulate the electrical conductor inside of the
wire allowing you to touch the cord without getting shocked.
19)
Do gas molecules have definite
shapes or do they move around freely?
They move very freely
20)
List some examples of liquid turning
into solids? Water to ice, liquid cement into solid cement
21)
Draw a model of how liquid molecules
would look like in a container.
22)
Understand how this picture shows a
solid, liquid and gas. The solid is the
ice cubes in the drink, the liquid is the actual fluid you would drink and the
gas is the bubbles floating to the top of the cup.
At what point on the diagram does
water change from a liquid into a gas?
23)
What is typically happening when a
solid is changing to a gas? Is heat
added to the solid or is heat removed from the solid? Heat is typically being added to the solid
24)
Some girls are using a curling iron
to fix their hair. It is very hot when plugged in for a while. If you wanted to
protect your skin, what action should you choose when picking it up? You should
pick up the plastic portion of the curling iron so you will be holding the
insulated portion and not the conduction part.
25)
On question #22, do the upward
arrows represent an upward increase in temperature or decrease in temperature? Increase in temperature
