Physical Property
Experiments
Signs of a Chemical Change
Chemical or Physical Change
Physical or Chemical Change or Properties
100
An observable or measurable change, but not a change in identity
What is a physical property?
100
When I added food coloring to the milk, what type of change occured?

What is a physical change?


100

How many signs of a chemical change did we study?

What is 5?

100
Frying an egg
What is chemical change?
100

When a liquid turns into a solid, this is known as what type of property?

What is freezing point?

200
Anything that has mass and takes up space.
What is matter?
200

We added alka seltzer tablets to our lava lamps yesterday, which sign of a chemical change took place?

What is bubbling and fizzing?

200

If I paint a house, the color of the house has changed, however, this is not a sign of a chemical change. Why?

What is No new substance has formed?

200
An ice cube melting.
What is physical change?
200

Making a salad

What is a Physical Change?

300

These are the three states of matter.

What are solid, liquid, and gas

300

We added food coloring to the water and added a solution to it that made it clear again, which sign of a chemical change occured?

What is change of color?

300
What will happen if I add baking soda and lemon juice on top of the lime?

Bubble and fizz

300
Mowing the lawn.
What is a physical change?
300

What are some properties people are identified by?

5 senses

400

What is the difference between mass and weight?

Mass does not change, weight does

400

Which ingredients were added to the elephant toothpaste experiment?

hydrogen peroxide, yeast, dishwashing liquid, and food coloring

400
One of the signs of a chemical change is formation of a precipitate. What does this mean?

What is solid?

400
An apple turning brown.
What is a chemical change
400
Matter is never destroyed or created, the mass that you begin with is always the same as the mass you will end with.
What is the law of conservation of mass?
500
Mass divided by volume
What is density?
500

What is the purpose of observing signs of a chemical change?

Helps to recognize a chemical reaction and if new substance is formed.

500

What are the five signs of a chemical change?

  1. Change of Color

  2. Change in Smell

  3. Production of Light

  4. Formation of a Precipitate (Solid)

  5. Formation of Bubbles

500

Rusting Bicycle

What is a chemical change?

500

The temperature at which water turns into a gas.

What is 100 degrees Celsius?

M
e
n
u