Science State Testing

The trees in which these moths lived were white, but have been covered in soot by the coal factories. Which moth will be more successful in this environment?

• Dark moth

• Light moth

• Both will have the same success

• None will be successful

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

Some human activities release greenhouse gases, including carbon dioxide, into the atmosphere. Which measure would most likely help reduce the amount of carbon dioxide released?

• reuse plastic bags instead of discarding them

• water plants with rainwater instead of using tap water

• travel in cars instead of riding bicycles

• generate energy with wind turbines instead of burning coal

Select each section of the Earth.

• Inner Core

• Outer Core

• Mantle

• Crust

What is the Scientific Method?

• the process of observation, measurement, and experimentation, and the formulation, testing, and modification of hypotheses

• the process of making a logical assumption before conducting an experiment

• The process of considering all options before conducting an experiment

• The process in which you perform a laboratory and then reflect on the experiment

Tags

NGSS.MS-PS1-2

Which of these explains why an ecosystem is healthy when it has a variety of species?

• A greater number of species allows for fewer food chains.

• A greater number of species reduces competition for abiotic resources.

• A greater number of species allows for greater diversity in interdependence.

• An increase in the number of species contributes to greater adaptability possibilities.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-5

What is an element?

• A substance that cannot be broken down into simpler substances by chemical means.

• A substance that can be broken down into simpler substances by physical means.

• A substance that is composed of only one type of atom.

• A substance that can be broken down into simpler substances by chemical means.

Tags

112.25.

What is a chemical change?

• A chemical change is a process that results in the formation of new substances with properties opposite to the original substances.

• A chemical change is a process that results in the formation of new substances without properties.

• A chemical change is a process that results in the formation of new substances with properties different from the original substances.

• A chemical change is a process that results in the formation of new substances with the same properties as the original substances.

Tags

112.25.

Atoms are made up of ________________

• energy

• electrons

• subatomic particles

• gasses

Answer explanation

Atoms are made up of subatomic particles, which include protons, neutrons, and electrons.

Tags

NGSS.MS-PS1-1

The subatomic particles that make up an atom.

• solid, liquid, gas

• electrons, protons, nucleus

• energy, protons, nucleus

• electrons, protons, neutrons

Answer explanation

The correct answer is electrons, protons, neutrons, as these are the subatomic particles that make up an atom.

Tags

NGSS.MS-PS1-1

__________ are negatively charged particles that are in the orbitals around the nucleus.

• protons

• nucleus

• neutrons

• electrons

Answer explanation

Electrons are negatively charged particles that orbit around the nucleus.

Tags

NGSS.MS-PS1-1