An electrical or mechanical device used for measuring temperature.
What is a thermometer?
A push or a pull.
A naturally occurring, non-living crystalline material that makes up rocks.
What are minerals?
What is found in an atom?
Protons, electrons, and neutrons.
If an object changes colour is it a chemical or a physical change?
Chemical change
Scientists know that the temperature is -273.15 degrees Celsius.
What is Absolute Zero?
The measurement of the time it takes to travel a certain distance
What is speed?
The thin outermost layer of Earth.
What is Earth's crust?
A. Protons
B. Electrons
C. Protons and Electrons
D. Neutrons
C. Protons and Electrons
Is water freezing a chemical or physical change?
A physical change because no new substance was made
The measure of something's ability to do work or cause changes.
What is energy?
The measure of the amount of matter in an object.
What is mass?
Molten rock found inside the Earth's crust.
What is magma?
The number of protons also equals the number of
Electrons
Describe some indicators that a chemical change has occurred .
Smell, heat, light colour change.
This indicates the average speed of particle motion in a substance.
What is temperature?
The amount of energy while an object is moving
What is kinetic energy?
The center of the Earth.
What is the core?
When an atom receives electrons, what charge does the atom then take on?
A negative charge
Would crushing a can be a chemical or a physical change?
Physical change
Liquids, solids, and gases.
What are states of matter?
The force of gravity exerted on a mass.
What is weight?
What are tectonic plates?
If an atom gives away its electrons to become stable it has a ______ charge
Positive
Would cooking an egg be a chemical or a physical change?