Science STAAR

A certain type of mite is a parasite of honeybees. Which statement best describes the relationship between the mites and the bees?

• The mites harm the bees by feeding on their blood.

• The mites get honey in return for helping the bees stay healthy.

• The mites help the bees find food but get nothing in return.

• The mites live in the hive of the bees but do not interact with the bees.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

An atom of which element is represented by the model below?

• Carbon

• Boron

• Lithium

• Oxygen

Tags

NGSS.MS-PS1-1

To express the distance between the Milky Way galaxy and other galaxies, the most appropriate unit of measurement is the –

• meter.

• kilometer.

• light-year.

• astronomical unit.

Which of these describes a divergent boundary?

• Two continental plates moving away from each other, forming a rift valley

• Two oceanic plates rubbing against each other, forming a mid-ocean ridge

• Two continental plates colliding, forming a mountain range

• Two oceanic plates colliding, forming a volcanic arc

Different species of carnivorous animals that share the same habitat in an ecosystem may –

• become decomposers

• compete for biotic food

• produce their own food

• mate with each other

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-1

What are the main elements in many organic compounds?

• Helium, carbon, sodium

• Sodium, hydrogen, nitrogen

• Carbon, hydrogen, oxygen

• Radon, oxygen, helium

Based on the key, which type of tree is the sample from?

• Ginko

• Sweet gum

• Horse chestnut

• Honey locust

Some students take care of a vegetable garden. When it is time to plant in the spring, the students leave part of the garden empty in order to observe ecological succession. Which of these will most likely occur first?

• Development of the topsoil

• Growth of weeds and grasses

• Growth of trees and shrubs

• Development of a stream

What is one way humans are trying to positively impact the ocean?

• Fishing

• Creating artificial reefs

• Harvesting oil and natural gas

• Transporting goods in ocean vessels

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-5

Which topographic map best represents this landform?

• 
• 

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2