7th Grade Science Midterm Review

A decrease in the level of insulin in the blood will cause...

• less starch being broken down

• less glucose entering cells

• more starch being broken down

• more glucose entering cells

Tags

NGSS.MS-LS1-2

low levels of glucose could indicate...

• there is not problem

• respiratory system has too much oxygen and carbon dioxide

• digestive system is not breaking down starch into glucose

• digestive system is not turning oxygen into glucose

When an ice cube melts, the ice cube is

• gains heat and the surrounding air loses heat

• gains heat and the surrounding air gains heat

• loses heat and the surrounding air loses heat

• loses heat and the surrounding air gains heat

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

At first, the substances molecules are moving away from each other. Energy is transferred out. After the phase change, the substance is moving

• faster, and the substance is a gas

• faster, and the substance is a liquid

• slower, and the substance is a solid

• slower, and the substance is a liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which system delivers oxygen to cells?

• respiratory

• nervous

• circulatory

• digestive

Combustion is an example of

• phase change

• chemical reaction

• property

• observation

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Why do substances have different properties?

• made up of the same groups of atoms

• made up of different groups of atoms

• made up of only one type of molecule

• all substances have the same properties

Tags

NGSS.MS-PS1-2

A product is

• an ending substance that is made during a phase change

• the beginning substance before a phase change

• an ending substance that is made during a chemical reaction

• the beginning substance before a chemical reaction occurs

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a property

• Something that can be observed about a substance (color, smell, etc.)

• Something you can build from an abstract concept

• something that is made through a chemical reaction

• something that is made through a phase change

Tags

NGSS.MS-PS1-2

Substances can change into another substance because atoms can be rearranged

• True

• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5