Show:
Chemical and Physical Properties
Changing States of Matter
Kinetic, Potential, and Heat Energy
Force, Mass, and Distance
Forces on Falling Objects
100
Rusting metal, baking a cake, burning and flammability, frying an egg, and photosynthesis are examples of...
What is a chemical change?
100
At 100 degrees C, a liquid will change to a gas. This temperature is called the...
What is boiling point?
100
Which material is the best insulator - glass, metal, water, or wood?
What is wood?
100
Describe the motion of a baseball as you throw it in the air.
It speeds up, stops, and slows down.
100
The only downwards force on an object that pulls all objects at the same rate.
What is gravity?
200
Changing states of matter is a type of _____________ change.
What is a physical change?
200
Water in a wide bowl evaporates faster than a narrow cup because of a larger...
What is exposed surface area?
200
Heat from a fire is transferred to a person standing near it through this process of heat transfer.
What is radiation?
200
Items with larger mass will move farther than smaller mass while rolling because...
What is they require more force to stop?
200
The upward force on an object that is a reason that objects fall at different rates.
What is air resistance?
300
Boiling point, appearance, volume, color, density, and size are examples of...
What are physical properties?
300
When salt is added to ice, it begins to melt because it...
What is lowers the freezing point?
300
Describe the energy transfer as an apple falls from a tree?
What is potential energy --> kinetic energy --> sound energy?
300
If two items of unequal mass are pushed with equal force. which object will be move more?
What is the item with a smaller mass?
300
The two factors that influence air resistance.
What are shape and surface area?
400
During this process, water vapor cools and turns into a liquid.
What is condensation?
400
The type of energy that a ball has when it reaches the highest point in the air
What is potential energy?
400
The push or pull on an object.
What is force?
400
Which will fall faster assuming there is air resistance - a leaf or an acorn?
What is an acorn?
500
During photosynthesis, carbon dioxide has a chemical reaction with these substances in order to form glucose and oxygen.
What are sunlight, water, and chlorophyll?
500
As ___________ increase, the particles in an object begin moving faster and gaining kinetic energy.
What is heat?
500
While kinetic energy is related to speed, potential energy is related to...
What is location?
500
Two objects are pushed and travel the same distance. The objects have unequal mass. Describe the force they were pushed with.
What is unequal force?
500
Objects, no matter the shape or size, will fall at the same rate in this type of space.
What is a vacuum?