STATE OF MATTER IN WHICH THE PARTICLE ARE MOVING VERY FAST
WHAT IS A GAS
100
Any characteristic that gives a substance the ability to undergo a change that results in a new substance.
What is a chemical property?
100
The metric unit for Force (what forces are measured in)
Newtons
100
What is the study of matter and its interactions
Chemistry
100
Tell me which of Newton's Laws each statement is describing
A) An object in motion stays in motion
B) For every action there is an equal and opposite reaction
C) Force equals mass multiplied by acceleration (F=MA)
A) 1st
B) 3rd
C) 2nd
200
STATES OF MATTER HAVING A FIXED SHAPE
WHAT IS A SOLID ?
200
List four chemical properties
What are flammability, reacts with oxygen, reacts with light, reacts with water?
200
A push or a pull
Force
200
What is it called when a substance
- Measures 0-6 on the pH scale
- tastes sour
- conduct electricity
Acid
200
The variable that changes in an experiment
independent
300
PHASES OF MATTER IN WHICH BOTH SHAPE AND VOLUME CAN CHANGE
WHAT IS A GAS?
300
Metal reacts with oxygen and water producing this substance.
What is rust?
300
The combination of all the forces on an object.
Net Force
300
Water measures ____ on the pH scale. And is ______
7
Neutral
300
Why should you always do multiple trials in a science experiment?
To reduce bias
Make the results more accurate
400
PHASE IN WHICH VOLUME IS FIXED, BUT THE SHAPE CAN CHANGE
WHAT IS LIQUID?
400
This occurs when a sliced banana or apple is exposed to oxygen.
What is oxidation?
400
When the net force is zero
balanced force (object that is not moving)
400
What are the 3 parts of an atom and what type of charge do they carry?
Neutron (0)
Proton (+)
Electron (-)
400
Write a possible measurement unit for the following:
Velocity
Acceleration
Force
Distance
Volume
m/s
cm/s/s
N
km
L
500
PHASE CHANGE IN WHICH A SOLID CHANGES DIRECTLY INTO A GAS
WHAT IS SUBLIMATION
500
This occurs when silver reacts with sulfur in the air, producing a grayish-brown film.
What is tarnish?
500
An object is pushed East with 15 Newtons
and pulled East with 13 Newtons
What is the net force acting on the object?
28 Newtons
500
If you mix a strong acid with water what would happen?
The acid would become weaker.
500
How would you know a chemical reaction occurs?
Give an example of a chemical reaction
Give an example of a physical change
A new substance was created
Paper burning
Metal rusting
melting
crushing