Anything about an object that can be observed or measured is called a ______________ _____________.
Physical Property.
100
What are the 3 States of Water?
Solid, Liquid, and Gas
100
Magnets with same poles push each other away is called _________.
When two magnets with the opposite poles come together they pull towards each other is called ________.
Repel
Attract
100
If I wanted to compare object's physical properties to see what causes the objects to roll, what physical property would I not need to know?
Color
200
How do you measure the volume of a liquid?
With a graduated cylinder
200
If you filled a balloon with water, what physical property of the balloon changed?
The balloon's shape expanded with the mass of the water
200
Particles move the fastest in this state of matter and float around to expand in space are called ____________.
Gas
200
If a magnet attracted to metals like iron, steel, and carbon, the magnetic materials will be __________ towards the magnet.
Pulled towards or attracted towards
200
Why does a compass always point North?
The compass has a magnet in it that is attracted to the Earth's magnetic field
300
True or False:
You will get a more accurate reading with a graduated cylinder with less measurement lines?
False!
More measurement lines are used for accurate measurements
300
List 4 physical properties of matter used to describe a desk.
Color
Hardness
Texture
Volume
300
Objects with particles that vibrate and stick close together are called _______.
Solids
300
When an apple is decaying or rotting it is going through a ________ change.
When the apple is growing it is going through a ________ change.
Chemical change
Physical Change
300
What is the formula for finding the density of an object?
Density = mass รท volume
400
How do you measure the volume of a solid that has straight lines?
What is Use a ruler to measure the length, width and height.
Then use the formula: Length X Width X Height.
400
If an object is more dense it will ___________.
If an object is less dense it will ____________.
More dense means an object will sink.
Less dense means an object will float.
400
These particles are not as far apart as those in a gas but are farther apart than the ones in a solid and slide past each other are called ___________.
Liquids
400
When a metal object is going through a __________ change water has caused a reaction that causes rust.
Chemical change
400
When doing science experiments we always observe and record ___________.
Data or evidence to show what we learned
500
How do you measure the volume of a density block using Water Displacement?
Fill a graduated cylinder with water. Record the volume. Put the density block into the graduated cylinder. Record the new volume.
Volume of block and water - volume of water = volume of block
500
What physical property do these objects have in common?
Notebook
Laptop
Desk
Comic Book
All have the same shape of a rectangle
500
Water changing states from a liquid to a gas when heat energy is removed is called ______.
Evaporation
500
_______ changes are always become different matter after a change.
In a _______ change the object's physical property changed.
Chemical
Physical
500
What does the Law of Conservation of Mass state?
The matter cannot be created or destroyed only changed.