heat unit
What is heat
Heat is the transfer of energy from one object to another object
What element’s atomic number is 2?
Helium.
What is the difference between heat and temperature?
temperature is the average amount of kinetic energy, and heat is the total
Which element is in Period 2 and Group 3
Magnesium.
What are the 5 parts of particle theory
All matter is made up of particles, and particles are always moving, vibrating, or rotating. Particles have empty spaces between them. Particles attract each other. Particles move faster and farther apart when heated
What is a pure substance?
Pure substances are a form of matter that consists of one element. It could also be a consistent mix of different elements with properties that are constant. All elements on the periodic table are pure substances.
Explain the main differences between the three states of matter with respect to particle theory.
The three states of matter are different mostly in how tightly their particles are packed and how much they move.
What is the difference between a homogenous mixture and a heterogeneous mixture?
A homogenous mixture is something that you can’t separate. For example, you can’t take the sugar out of baked cookies. A heterogeneous mixture is something that you can separate. For example, you can take a cherry off an ice cream.
Describe one way to cook food using each one of the three types of heat transfer methods.
Frying an egg conduction, Boiling water convection, Cooking a cake in the oven with radiation
What chemical formula is stomach acid?
H2SO4, 2 Hydrogens, 4 Oxygens, and 4 Sulfur.