Mass, Weight, Speed
The distance traveled in given time is called
A. Gravity
B. Speed
C. Velocity
D. Mass
B. Speed
Energy cannot be _____ or _____, it can only change form.
Created; Destroyed
What is the atomic symbol for Helium?
He
What is Matter?
Anything that has mass and takes up space.
Name the ionic compound NaCl.
Sodium Chloride
Mass is the measure of how much _______ is in an object.
Matter
What is electrical energy?
A. The ability to do work.
B. The energy of moving electrons.
C. The energy of electricity.
D. The force of moving atoms.
B. The energy of moving electrons.
Atom is made up of _____, ____ , and electron.
Proton; Neutron
In which state of matter do the particles spread apart and fill all the space available to them?
A.Freezing
B.liquid
C.gas
D.solid
C. Gas
What are signs that a chemical reaction has occurred? Name at least two.
Color change; Bubble form
Weight is the measure of the force of ______ on an object.
A.Density
B.Mass
C.Matter
D.Gravity
E.Velocity
D.Gravity
What type of energy is stored in an object?
Potential Energy
what type of bond forms between two nonmetals?
A. Hydrogen
B. Ionic
C. Covalent
D. Energy
C. Covalent Bond
Which phase change occur when solid ice turns into liquid water?
Melting
The bouncing back of a wave when it hits a surface.
A. Refraction
B. Reflection
D. Diffraction
B. Reflection
Finish the formula: Force = Mass * _________
A.Velocity
B.Weight
C.Acceleration
D.Temperature
C=Acceleration
An electric generator converts _______________ energy into electrical energy.
A. Wind
B. Heat
C. Mechanical
D. Nervous
C. Mechanical
How do you find the mass of an atom?
A. It is the same as protons
B. Add electron and protons
C. Add protons and neutrons
D. None of the above
C. Add protons and neutrons
A solid is a state of matter that has?
A.indefinite volume and an indefinite shape.
B.definite volume and a definite shape.
C.definite volume and an indefinite shape.
D.indefinite volume and a definite shape.
B. Definite volume and a definite shape
The greater the _____ of an object, the greater its _____ force.
Mass; Gravitational
19.What energy transformation occurs in a burning match?
A. Chemical to thermal and light.
B. Thermal to chemical.
C. Electromagnetic to thermal and magnetic.
D. Chemical to electrical and nuclear.
A. Chemical to thermal and light
What is an isotope?
Atoms of the same element with the same number of protons, but different number of neutrons.
The change of state from a gas to a liquid is called
Condensation