STAAR

Four containers made of different materials, each containing water at 30º C, were set out on a table. The initial temperature of the water was recorded. The temperature of the water was also recorded 15 minutes later. Which container was the most effective at preventing heat transfer from the water to the environment?

• Container P

• Container Q

• Container R

• Container S

Tags

NGSS.MS-PS3-3

Oceans, and other bodies of water, are found on which layer of Earth?

• Outer core

• Mantle

• Inner core

• Crust

Tags

NGSS.MS-ESS2-4

Igneous and sedimentary rocks could each be changed into metamorphic rock if they are changed by?

• Weathering

• Organisms

• Pressure

• Cementation

The interlocking crystals of an igneous rock help to classify it since these crystals are evidence of how the rock formed. The crystals are a result of?

• Quartz coming out of solution

• Particles forming layers

• Chemical reactions of minerals

• Melted rock that cooled

Tags

NGSS.MS-PS1-4

A large rock is motionless on a flat sidewalk. Which statement best explains why the rock remains motionless?

• there are no forces acting on the rock

• the only force acting on the rock is directed toward the sidewalk

• the forces acting on the rock are all balanced

• the sidewalk exerts an unbalanced force on the rock

At what point on a roller coaster does the train have the highest kinetic energy?

• at the bottom of the first drop
  

• at the top of the second hill
  

• when the train first leaves the loading station 

• at the top of the first drop 

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which statement best describes the motion of the object plotted in the graph?

• The object accelerated because the distance traveled increased at a steady rate.

• The object traveled at a constant speed because of forces acting on the object.

• The object accelerated because it traveled in the same direction throughout the investigation.

• The object slowed down as it traveled uphill because of the forces acting on the object.

Tags

NGSS.MS-PS3-1

Which organism do the owl and the weasel compete for in the food web?

• Hawk

• Spider

• Grasshopper

• Shrew

Tags

NGSS.MS-LS2-2

What is a herbivore?

• an animal that gets energy from eating other animals

• an organism that gets energy from eating only plants

• an animal that gets energy by eating both plants and other animals

• an animal that eats only herbs

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A connection of food chains with many food energy paths in an ecosystem is a ____________

• ecosystem

• food web

• environment

• population

Tags

NGSS.MS-LS2-3