Science STAAR Review Category 2

How would you separate a mixture of sand and salt? 

• Mix them with water and let the water evaporate

• Mix them with water, pour the mixture through a sieve, then let the water evaporate

• Heat the sand and salt mixture for 5 minutes, then let it cool

• I would not do any of these because none of these options would work

Liquid water can be changed to a gas by which of the following?

• freezing 

• boiling

• melting       

Tags

NGSS.MS-PS1-4

The diagram shows a view of a ball from above a table. The ball is rolling across the table. A student lightly taps the rolling ball in the direction shown in the picture. In which direction does the ball most likely move after the student taps the ball? (3.6B)

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Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Four students stand facing a box. The diagram below shows an overhead view of the box. The numbered circles represent the positions of the students. What do the students need to do to slide the box to the northeast? (3.6B)

• Students 1 and 2 push, and Students 3 and 4 pull.

• Students 1 and 4 push, and Students 2 and 3 pull.

• Students 2 and 3 push, and Students 1 and 4 pull.

• Students 3 and 4 push, and Students 1 and 2 pull.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

The picture shows an athlete hitting a ball with a tennis racquet. What is the athlete demonstrating in the picture? (3.6B)

• Doing work by pushing the ball and changing its motion and position

• Changing the position but not the motion of the ball

• Doing work by pulling the racquet and changing the ball's position but not its motion

• Changing the position and motion of the ball without doing any work

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

NGSS.MS-PS3-1

NGSS.MS-PS3-5

a push or pull on an object that may change the motion of the object

• force

• energy

• motion

• gravity

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

a force that pulls all objects that have mass toward one another

• distance

• gravity

• motion

• shadow

Tags

NGSS.MS-PS2-4

a curved piece of clear glass or plastic that bends or refracts light

• prism

• circuit

• force

• lens

Tags

NGSS.MS-PS4-2

the bending of light waves as they move through one material into another

• reflection

• refraction

• shadow

• motion

Tags

NGSS.MS-PS4-2

Name what is happening to the light in order from left to right.

• reflect, transmit, absorb

• reflect, absorb, transmit

• absorb, reflect, transmit

• transmit, reflect, absorb

Tags

NGSS.MS-PS4-2