Science State Testing

When a new substance forms as a result of a chemical reaction, what type of change has occurred?

• Chemical Change

• Physical Change

Answer explanation

When a new substance forms as a result of a chemical reaction, a chemical change has occurred. This is the correct choice because chemical changes involve the formation of new substances with different properties.

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What is the chemical symbol for Lithium?

• H

• He

• Li

• N

Answer explanation

The chemical symbol for Lithium is Li.

Tags

NGSS.MS-PS1-1

Volcanic eruptions are caused primarily by the movement of

• Tectonic plates

• Earthquakes

• Ocean currents

• Solar radiation

Tags

NGSS.MS-ESS2-3

Which is an example of a producer-consumer relationship?

• A lion hunting a gazelle

• A tick feeding on a deer

• A plant obtaining light energy from the sun

• A cow eating grass

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NGSS.MS-LS2-3

What is the difference between a predator and a parasite?

• Predators only feed at night

• Predators hunt their prey and parasites live off a host

• Both predators and parasites hunt their prey

• Parasites only invade hosts at night

Tags

NGSS.MS-LS2-2

What is the importance of decomposers?

• Add energy from the sun

• Only found in the ocean

• Provide nutrients to the soil

• Capture animals

Tags

NGSS.MS-LS2-3

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Food chains connected to each other are called

• Decomposers

• Food webs

• Meal plans

• Environments

Tags

NGSS.MS-LS2-3

are animals that eat a combination of producers and consumers.

• Omnivores

• Herbivores

• Carnivores

Tags

NGSS.MS-LS2-2

Which of the following could be considered an abiotic factor in the ecosystem of a cow?

• Grass

• Grains

• Flies

• Sunlight

Identify the fish

• Sebastes serriceps

• Sebastes nebulosus

• Naucrates ductor

• Seriola lalandi

Tags

NGSS.MS-LS4-2