What is the term for the following definition:
Anything that has mass and takes up space.
What is matter.
100
What is the formula for density?
What is D= M/V
Density= Mass divided by volume
100
True or false, physical changes do not result in a new substance.
What is true.
100
What is viscosity?
What is the resistance of a gas or a liquid to flow.
100
What is evaporation and does it result in an increase or decrease in energy?
What is the change of a substance from a liquid to a gas/ it results in an increase in energy.
200
What is the term for the following definition:
The curve at a liquid's surface by which one measures the volume of the liquid.
What is meniscus.
200
What is volume and what is the SI unit for volume?
What is a measure of the size of a body or region in 3-D space. The unit for volume is the Liter (L).
200
True or false, when a chemical change takes place a physical change will also take place.
What is true.
200
A property of a liquid that is a force that acts on the particles at the surface of a liquid is a....
What is surface tension.
200
What is condensation and does it result in an increase or a decrease in energy?
What is the change of state from a gas to a liquid/ it results in a decrease in energy
300
What is the term for the following definition:
The physical forms of matter, which include solids, liquids, and gasses.
What is the states of matter.
300
What are the units for the density of a solid? Of a liquid?
What is SOLID= g/cm3 LIQUID= g/mL
300
Is making a PB&J a physical or a chemical change?
What is physical.
300
What type of solid is made of particles that have an orderly 3D repeating pattern or structure?
What is a crystalline solid.
300
What does the Particle Theory of Matter (or Kinetic Theory) state?
What is all matter has energy.
400
What is the term for the following definition:
The amount of force exerted per unit area of a surface.
What is pressure.
400
What is the density of pure tap water?
What is 1 g/mL
400
Is dissolving a physical or chemical change? Why?
What is a physical change. The molecules do not chemically react with each other.
400
What does Charles Gas Law state?
What is at a constant pressure if the TEMPERATURE increases, the VOLUMEof the gas will also increase.
400
What is the difference between boiling and evaporating?
What is boiling is vaporization that occurs within a liquid while evaporating is vaporization that occurs on the surface of a liquid.
500
What is the term for the following definition:
The state of matter in which the volume and shape of a substance are fixed.
What is a solid.
500
What is the difference between mass and weight?
What is mass is the measure of the amount of matter in an object while weight is the measure of the gravitational force exerted on an object. Mass is constant while weight can change on different planets.
500
Name 3 ways you can observe a chemical reaction taking place.
What is complete color change, fizzing, producing heat/light.
500
What does Boyle's Gas Law state?
What is if you keep temperature constant and increase the PRESSURE on a gas, the VOLUME will decrease by the same amount.
500
What happens to temperature during phase changes? What happens to thermal energy during phase changes?
What is it remains the same/ increases or decreases.