STAAR Practice

A student compares the physical properties of the four objects shown: a rock, a rubber eraser, a paper cup, and a wooden block. Which of these physical properties do all four objects have in common?

• They all have the same physical state and conduct electricity.

• They all conduct electricity and attract the same metal objects.

• They all attract the same metal objects and are not soluble in water.

• They all are not soluble in water and have the same physical state.

About how much time does it take for Earth to make one complete rotation on its axis?

• 24 hours

• 30 days

• 60 minutes

• 365 days

Why did the light not continue past the mirror in the classroom demonstration?

• Light cannot travel very far

• The mirror absorbed all the light

• The light was refracted back to the light source

• Light travels in a straight line and cannot go around objects

Tags

NGSS.MS-PS4-2

Refer to the circuit diagrams labeled F, G, H, and J. If a student wants to change the original circuit so that when Switch 1 is open and Switch 2 is closed, only one light will be on, which diagram correctly shows how the student should change the circuit?

• Diagram F

• Diagram G

• Diagram H

• Diagram J

Which kind of energy is used by the portable lamp to produce light?

• Mechanical energy, because the lamp is clamped on to the counter

• Thermal energy, because the lamp increases the temperature of the water

• Electrical energy, because the lamp is battery-operated

• Sound energy, because the lamp vibrates when clicked on

Which statement best explains the students' observations of condensation on the outside of a glass containing ice and water?

• The water vapor in the air changes to a liquid when it touches the cold glass.

• The cold water inside the glass rises and then slides down the outside of the glass.

• The ice in the glass melted and caused the water to overflow the glass.

• The water moved to the outside surface through tiny holes in the glass.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which set of objects best compares the sizes of Earth and the Moon?

• Basketball and Soccer ball

• Baseball and Tennis ball

• Tennis ball and Golf ball

• Golf ball and Marble

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-3

Which question can scientists most likely answer from studying the fossil of the dinosaur?

• What was the pattern on the skin of the dinosaur?

• What was the type of food the dinosaur ate?

• How fast was the heart of the dinosaur beating?

• How many eggs were in the nest of the dinosaur?

Tags

NGSS.MS-LS4-1

In the early 1600s, the astronomer Galileo used a telescope to make observations of Mercury and Venus. What are the positions of these planets in relation to the sun?

• Mercury is the planet closest to the sun, and Venus is the second planet from the sun.

• Mercury is the second planet from the sun, and Venus is the third planet from the sun.

• Venus is the planet closest to the sun, and Mercury is the second planet from the sun.

• Mercury is the third planet from the sun, and Venus is the planet closest to the sun.

Tags

NGSS.MS-ESS1-3

What is the first stage of the Lady Beetle's life cycle as shown in the diagram?

• Pupa

• Adult

• Eggs

• Larva

Tags

NGSS.3-LS1-1