VOCABULARY
Scientific Inquiry
MATTER
DENSITY
MASS and WEIGHT
100
Is measured in grams and depends on the amount of material?
MASS
100
A factor that can be changed in an experiment is...
A Variable
100
Which is the property of matter in which a substance can transfer heat or electricity?
Conductivity
100
How do you calculate density and what is the formula ?
Mass divided by volume.
D = 
100
Which are the very small particles that make up matter?
Atoms
200
Is a device used to measure the volume of liquids?
Graduated Cylinder
200
A tentative explanation that can be tested doing an experiment is...
A Hypothesis
200
Liquid plastic is frozen in a physical change that increases its volume. What can be known about the plastic after the change?
Its mass will remain the same.
200
What is the density of a 36 g object with a volume of 15 cm3?
(Density: D = )
2.4 g/cm3
200
Cubes have sides of equal lengths. What is the fastest way to measure the volume of a cube-shaped table?
Measure one side with a ruler, and multiply that number by itself three times
300
Is the amount of space an object occupies and takes up?
Volume
300
Name the type of experiment where all conditions are kept the same except for one variable being tested...
Controlled Experiment
300
When a physical change happened of a liquid boiling water into steam. Is heat added or heat is removed from the liquid?
The heat added represents an energy change.
300
If the density and volume of an object is known, what can also be found?
The mass of the object.
300
Hunter wants to measure the weight of a dumbbell. He should use............... and record units in ........
Spring scale and record data in Newtons ( N )
400
Name two metric system units which are used to measure volume of substances?
cubic centimeter cm3
milliliters ml
400
Which provides a baseline for an experimental investigation?
The Control group
400
What happens when a substance undergoes a physical change?
Some physical properties change, but the substance keeps its identity.
400
There are liquids of different densities together in a container. What will happen to the liquid with the lowest density?
It will move to the top. ( float )
400
Imagine that Kevin can instantly transport himself between Planet X and Planet Y. What could happen with Kevin 's mass and weight ?
Kevin's mass will remain the same or constant.
Kevin weight will change.
500
What is the force created by water that is displaced by an object?
Buoyancy
500
An independent or .....................Variable and a Dependent or ........................Variable are found in an Experiment.
Testing/ Manipulative
Measurable/ Outcome
500
When water (H2O) freezes into ice, some of the properties have changed. What stays the same?
The identity of the H2O ( water )
500
Mason notices that his boat sinks lower into the water in a freshwater lake than in the ocean. What could explain this?
Salt water is more dense than freshwater.
500
An object of the same mass has three different weights at different times. Explain why?
The object started on Earth, was transported to space, and was deposited on the moon.