7.L.1

Solid, liquid, and gas are

• boiling points

• freezing points

• particles

• states of matter

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Changing from solid to gas is called

• evaporation

• contraction

• condensation

• sublimation

Tags

NGSS.MS-PS1-4

Which three elements make up most living things?

• phosphorus, nitrogen, sulfur

• carbon, hydrogen, oxygen

• iron, potassium, sodium

• calcium, chlorine, aluminum

What are metals?

• a substance that is a poor conductor of heat and electricity.

• a substance that has some properties of the metals and some of the nonmetals.

• a substance that conducts heat and electricity well.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

What are elements made of?

• atoms

• electrons

• molecules

• protons

Tags

NGSS.MS-PS1-1

The amount of space that an object takes up is its

• density

• mass

• size

• volume

Which is an application of genetic engineering?

• destroying all bacteria

• creating synthetic insulin

• producing cells from nonliving material

• preventing weeds from spreading to farmland

Tags

NGSS.MS-LS4-5

Which organisms are used to manufacture human insulin?

• algae

• amoebas

• bacteria

• protozoans

Which is an example of scientists using biotechnology to benefit aquaculture?

• creating pest-resistant crops

• making new forms of human antibiotics

• developing a rot-resistant gene for trees

• producing a faster-growing salmon species

Tags

NGSS.MS-LS3-1

What type of science allows us to alter the DNA of a corn plant so that it will contain more protein?

• biology

• biotechnology

• geology

• physiology

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2