8th grade FSSA questions

Why is photosynthesis important to consumers?

• consumers use oxygen and glucose produced by photosynthesis

• consumers supply the light energy needed for photosynthesis

• consumers supply the water needed for photosynthesis

• consumers supply the chloroplasts to producers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

where does energy first come into an ecosystem?

• producers make energy

• the sunlight provides energy to producers

• consumers obtain energy from animals

• scavengers obtain energy from dead plants

Tags

NGSS.MS-LS1-6

How does CO2 in the atmosphere eventually cycle through to a carnivore?

• plants use CO2 in the atmosphere during photosynthesis, herbivores eat the plants, and a carnivore eats an herbivore

• carnivores use CO2 in the atmosphere during cellular respiration

• herbivores use CO2 during photosynthesis and carnivores eat an herbivore

• plants use CO2 in the atmosphere during photosynthesis and a carnivore eats the plant

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How do plants convert glucose to energy?

• through photosynthesis

• when an animal consumes them

• through cellular respiration

• they do not convert glucose to energy

Tags

NGSS.MS-LS1-7

Lucy is constructing a model of the carbon cycle. Which components should she include in her model?

• the sun, the atmosphere, and the ocean

• fossil fuels, power plants, and electricity

• the atmosphere, decomposers, and the geosphere

• the atmosphere, the geosphere and the cryosphere

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is a scientific question that can be tested?

• What is electricity?

• Which is the nicest color for rose plants?

• How many pine trees are in a tundra forest?

• Does water heat up more quickly than sand in sunlight?

Tags

NGSS.MS-PS3-4

A scientist is raising the temperature of a sample of water to find out if the amount of salt that can be mixed into water changes. Which is the independent variable in this investigation?

• the amount of water in the sample

• the temperature of the water

• the amount of salt that mixes in the water

• the type of salt mixed into the water

Tags

NGSS.MS-PS1-4

Which must be true of any hypothesis for it to be useful in a scientific investigation?

• It must be supported by data

• it must be used to develop a theory

• it must lead to further investigations

• must be developed without depending on prior investigations

Tags

NGSS.HS-LS3-2

What is the final step while conducting a scientific investigation?

1. ask question
2. form hypothesis
3. experiment
4. analyze results
5. ?

• develop a theory

• draw a conclusion

• select equipment

• identify the variable

Which best describes an experiment?

• a scientist measures the height of crops that received different fertilizers

• scientist measures the speed at which an eagle travels while it is hunting

• scientist measures the diameter of a certain type of tree throughout a forest

• scientist measures the rate at which a population of wild insects reproduces