Reactions
What is it?
Properties
Physical Science
Bonus

100

almost always irreversible

Chemical Reactions

100

Ice melting

What is a change in state from a solid to a liquid?

100

Ductility, flammability & boiling point

What are physical properties?

100

The purpose of simple machines is to...

What is make work easier, or use less energy to do the same work?

100

Baking a cake

What is a chemical change?

200

Do not create new substances

What is a physical change

200

An example is mixing baking soda and vinegar.

What is an endothermic reaction?

200

A reaction that the energy flows inside.

What is an endothermic reaction?

200

Gravity

What is a force that pushes or pulls?

200

Boiling water

What is change in state? 

300

Creates new substances with new properties

What is a Chemical Reaction?

300

A camp fire.

What is an exothermic change?

300

Odor, change in temperature, production of new products.

What are examples of chemical changes?

300

The amount of matter in a given space.

What is density?

300

You always need to back up a claim with _____

What is evidence (or data)?

400

Requires energy

What is breaking a bond during a reaction.

400

a coffee filter, screen, magnet, evaporation disc

What are examples of separation methods?

400

An explosion

What is an example of an exothermic reaction?

400

Distance and Mass

What are the two factors that affect gravity?

400

Mixing Koolaid and water.

What is a physical change?

500

An element, H20, table salt, Oxygen.

What are examples of pure substances?

500

All reactions require bonds to break using this.

What is energy?

500

Anything that has mass and takes up space.

What is matter?

500

Ask a question, brainstorm, make a plan, make a prototype, test it, redesign if needed

What is the Engineering Design process?