9 Week Test Review

The materials in the picture are available for a science experiment. Students are to build a circuit in which the light will turn on. Which group of available materials can be used to build a working circuit?

• pencil

  light bulb

  battery

• rubber band

  battery

  copper wire

• straw

  eraser

  light bulb

• copper wire

  battery

  light bulb

Tags

NGSS.3-5-ETS1-1

NGSS.3-5-ETS1-2

An object was placed in a container with oil and water, as shown. 

Why does the oil appear above water, and what is the relative density of the object compared to oil and water?

Tags

NGSS.MS-PS1-2

The table shows the physical properties of 4 mystery objects.

Which object is most likely a plastic bottle cap? Explain your answer.

Tags

NGSS.MS-PS1-2

Which block has the smallest mass?

Objects that blow into a swimming pool or that are dropped into the bool by swimmers need to be removed. These objects include foam cups, keys, and coins. Fill in the blanks to make the following statements true.

The keys and coins are (a)   water, so they can easily be picked up from the bottom of the pool. The foam cups are ​ (b)   water, so they can be easily removed from the surface of the water with a net.

• less dense than
• more dense than
• the same density as

Students investigate the physical properties of some substances. They draw a table to show how the substances can be grouped. The students need to complete the table with column headings. Which column headings should they use for their table?

b

a

c

Good conductors of electrical energy

Is attracted to a magnet

Less dense than water

Soluble in water

Good insulators of thermal energy

Same physical state

Which of these is insoluble in water?

• oil

• salt

• honey

• sugar

Hailey and Joshua are working together to build the circuit pictured. Hailey believes that both light bulbs should flash on while Joshua believes that only one light bulb will flash on. Who is correct? Be sure to explain your reasoning.

Tags

NGSS.4-PS3-2

A student designed the circuit pictured. Which switches should the student close to produce sound energy only?

Tags

NGSS.MS-ETS1-2

Which of these materials would NOT be a good

insulator of electricity?

• metal

• glass

• plastic

• wood