Scientific Method
Measurements
Matter 1
Matter 2
Basic
Vocabulary
100

An educated guess

Hypothesis

100

SI base unit of length

meters

100

How do you classify sugar (C6H12O6)

Compound

100

Process of converting solid to gas?

sublimation

100

The study of the composition of matter and the changes it undergoes

Chemistry

200

Homer notices that his shower is covered in a strange green slime. His friend Barney tells him that coconut juice will get rid of the green slime. Homer decides to check this out by spraying half of the shower with coconut juice. He sprays the other half of the shower with water. After 3 days of "treatment" there is no change in the appearance of the green slime on either side of the shower.

What is the Independent Variable?

Coconut juice

200

20 kilometers(km) is _____________ meters (m)

20, 000 meters
200

Matter that consists of more than 2 elements.

compounds

200

How do you classify the size of matter, extensive or intensive property?

Extensive property

200

What is matter?

Anything that has mass and volume.

300

The standard to which you compare the results of an experiment is called

Control Variable

300

150 weeks(wks) is equal to ___________ hours (hrs)

25,200 hrs

300

has indefinite shape but definite volume and takes the shape of the container

LIQUID

300

Which of the following is an example of a physical property?

Density, flammability, neutralizing a base, toxicity

density

300

What is the difference between between Mass and Weight?

Mass is what matter is composed of while weight is mass plus the effect of gravity.

400

During an experiment, if you purposely change the temperature to test a hypothesis, the temperature is called the

Independent Variable

400

22,647 inches(in) is __________ kilometers(km)

0.58 km

400

Classify the following:

1. apple cider

2. hydrogen peroxide (H2O2)

1. Mixture

2. Compound

3. Mixture

400

Physical or Chemical change?

Frying egg

Chemical Change

400

It is the simplest form of matter.

Element

500

If you give high school students snacks while they work on math problems, then they will complete the math problems quicker because snacks help you concentrate. You separate high school students into two groups and only give snacks to one of the groups. You then assign 20 of the same math problems to complete and record time how long it takes them.

Give the following:

Control:

Dependent:

Independent:

Control: group without snacks

Dependent: time it takes to complete the math problems

Independent: snacks while completing the math problems

500

How many cups are in 2.5 liters (L) of a liquid?

10.57 cups

500

It has indefinite shape and indefinite volume and takes the shape and volume of its container.

Gas

500

Give 2 indicators of chemical change

Unusual change in temperature

Evolution of a gas (bubbles!)

Formation of precipitate

Change in smell

Change in color

500

What is a mixture?

Matter consists of 2 or more components and are physically blended.