Physical Science and Nature of Science Review

The state of matter with no definite shape or volume is a ____________.

• Gas

• Liquid

• Property

• State

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A beaker contains sand and iron filings. That is the BEST way to separate the sand from the filings?

• Heat the mixture.

• Remove them by size.

• Shake the beaker.

• Use a magnet.

Alex has a mixture of salt and water. Which process can he use to separate the mixture?

• evaporation

• filtration

• magnetism

• transpiration

Maya describes this unknown substance to Trevor. Which word could she use to describe its texture?

• cube

• rough

• shiny

• soft

What BEST describes the change taking place?

• change is shape

• changes in size

• change in texture

• change in state

Tags

NGSS.MS-PS1-4

Which is NOT an example of a chemical change?

• burning

• folding

• rusting

• wood burning

Tags

NGSS.MS-PS1-2

In the forests of Sumatra where orangutans live, trees continue to be cut down for use as lumber. While studying habitat loss, students find this graph that shows what was happening to the populations around the turn of the century. Look at the graph, based on this information, what was most likely the population of orangutans in 2014?

• 6,500

• 7,000

• 5,000

• 2,000

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Mr. Howell's fifth grade is making homemade lava lamps. Each student is given the same materials: one clean, clear 600 mL soda bottle with a plastic cap; two fizzy antacid tablets; food coloring; 100 m: of vegetable oil; and 500 mL of water. They follow a set of specific instructions and record their results in their science notebooks. What makes this a replicable or repeatable experiment?

• Every student received a set of instructions.

• All students recorded the steps in a science notebook.

• Everyone in the class is making his or her own lava lamp.

• The materials were measured out and added in the order listed in the instructions.

J.P and Rosa investigate ways to grow tomatoes. They use three types of tomato plants and different amounts of fertilizer. They water each plant with 20 mL water every other day. They recorded the growth rate of each plant in the table.

J.P. and Rosa decide that the Big Boy and Beefsteak tomatoes grew best, but their results cannot be reproduced. Which mistake did they make.?

• J.P. and Rosa would have had better results if they only used one type of tomato.

• Every plant is an individual, just like people. So some grow faster than others.

• J.P. and Rosa needed to water their tomato plants every day to be more successful.

• J.P. and Rosa needed to use the same amounts of fertilizer for each type of tomato.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

One form of energy travels in waves and causes matter to vibrate. Which form is it?

• chemical

• electrical

• sound

• light

Tags

NGSS.MS-PS4-1