Mystery Science Chemical Magic

The dull penny had a mass of 2.3 grams. After using sandpaper, the penny was shiny. The dull bit had a mass of 0.1. What was the mass of the shiny penny?

• 2.3 grams

• 2.4 grams

• 2.2 grams

• 2.1 grams

When we put the dull pennies in the salt and vinegar solution, they became shiny. What would happen to the mass of the penny and the solution?

• The mass of the shiny penny is more and the solution stayed the same.

• The mass of the shiny penny was less and the solution mass was more.

• The mass of the shiny penny and the solution increased.

• The mass of the shiny penny and the solution decreased.

Tags

NGSS.MS-PS1-5

If the mass of the water is 100 grams and the mass of the lemonade powder is 15 grams. What would the mass of the lemonade solution be?

• 115 grams

• 100 grams

• 85 grams

• 110 grams

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

When the baking soda and vinegar mixed in the bag, why did it expand?

• There was a physical reaction that caused gas to form.

• Air got into the bag when it was open and made the bag expand.

• There was no reaction and the bag just got bigger.

• A chemical reaction occurred causing gas bubble to form.

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

What happens when you mix two substances?

• It is always a physical change because the properties don't change.

• It can be a chemical change if the properties of the two substances change.

• The properties change, but it is still the same substances.

• Neither a physical or chemical change occurs.

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

The different forms of matter which are solid, liquid and gas is called?

• the amount of space something takes up

• it doesn't matter

• law of conservation of matter

• states of matter

Tags

NGSS.MS-PS1-4

What is the property of matter?

• Properties of matter always stay the same.

• Property gives evidence to support idea.

• Properties are ways to describe and measure.

• Properties of matter are not important in science.

Tags

NGSS.MS-PS1-1

What is the difference between a chemical and physical reaction?

• A physical reaction creates a new substance with different properties.

• A chemical reaction creates a new substance with different properties.

• A chemical reaction has no new properties.

• There is no difference between a chemical and physical reaction.

Tags

NGSS.MS-PS1-5

What is matter?

• only tiny particles too small to be seen

• i don't know what is the matter with you

• anything that has mass and takes up space

• a law that says matter can't be created

Tags

NGSS.MS-PS1-5

What is the law of conservation of matter / mass?

• matter / mass can be created and destroyed

• matter / mass can not change forms

• matter / mass can't be created or destroyed, but can change forms

• a law that Mrs. Taylor made up

Tags

NGSS.MS-PS1-5