Ohio Science

What is frequency?

• the number of vibrations per second

• how high or low a sound is

• the loudness or softness of a sound

• the back and forth movement of matter

Tags

NGSS.MS-PS4-1

Which explains why the fork looks different under water?

• light can't pass through the glass

• the wavelength of light lengthens

• the amount of light increases when going through water

• light is refracted at an angle

Tags

NGSS.MS-PS4-2

An object at rest will remain at rest or in the same uniform motion unless acted upon by an unbalanced force: law of inertia.

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

According to the energy pyramid, which of the following will most likely happen to the other organisms if all the harvest mice died?

• The number of hawks would decrease, and the number of insects would increase.

• The number of hawks would increase, and the number of insects would increase.

• The number of hawks would increase, and the number of insects would decrease.

• There would be no change in the rest of the chain.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What happens to the particles in a liquid when it is heated and changes into a gas?

• The particles move closer together

• The particles move faster and spread apart

• The particles stop moving

• The particles become solid

Tags

NGSS.MS-PS1-4

What happens to the particles of a solid when it is heated and turns into a liquid?

• The particles move closer together.

• The particles stay the same.

• The particles move farther apart and move more freely.

• The particles disappear.

Tags

DOK Level 2: Skill/Concept

Which of the following is an example of a liquid changing to a gas?

• Water freezing into ice

• Water boiling into steam

• Ice melting into water

• Steam condensing into water

Tags

DOK Level 2: Skill/Concept

According to the food web, if the snail population of this ecosystem increases, which of the following is most likely to occur?

• The grass population will increase.

• The grass population will decrease.

• The snails will eventually become extinct.

• The grasshopper population will increase at nearly the same rate.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Why do planets orbit the sun (and not float around in space)?

• the moons are keeping them in place

• They were hit by an asteroid

• they were hit by a comet

• the sun's gravity keeps them in place

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Sound is caused by? 

• force

• vibrations

• instruments