G6 U1: Matter Review NEW

The molecular structure is unchanged in a _______

• Physical change

• Chemical change

A new substance is created in a _______

• Physical change

• Chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In chemical reactions, atoms are _______

• Rearranged to form new molecules

• Unchanged

• Arranged to form a liquid

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Which of the following is made up of two or more substances that are NOT chemically combined

• Elements

• Compounds

• Mixtures

What is the force that holds atoms in a molecule together called?

• Gravity

• Chemical bond

• Heat

Which of the following is composed of only one kind of atom?

• Element

• Compound

• Mixture

Which of the following is composed of two or more different elements joined by chemical bonds

• Elements

• Compounds

• Mixtures

Tags

NGSS.MS-PS1-1

What is the center of an atom called?

• Electron cloud

• Nucleus

In the statement "Which type of soap removes the most grease?” what is the…

• Amount of grease removed

• Independent variable

• Type of soap

• Control group

• Amount of soap used

• Dependent variable

• Cleaned with just water (no soap)

• Constant

1. In this experiment, "A scientist wants to test the growth effect of different liquids on a plant. In the first plant, she puts orange juice. In the second plant, she puts lemonade. In the third plant, she puts water." what is the….

• Type of liquid

• Dependent Variable

• Plants with lemonade and orange juice

• Experimental Group

• Plants with just water (no juice)

• Independent Variable

• Type of plant

• Constant

• Growth of plant

• Control Group