Science TEKS

A teacher pours sand and iron filings into a beaker. Then he places a strong magnet into the beaker. When he removes the magnet it is covered in iron filings, but the sand remains in the beaker. Which physical property is the teacher demonstrating?

• Solubility

• magnetism

• Density

• Conductivity

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

• No wrapping

• Paper Towel

• Cotton Towel

• None of these are good insulators

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

When removing a metal pan from the hot oven you should use an oven mitt because --

• the metal pan conducts thermal energy

• the metal pan produces thermal energy

• the metal pan insulates thermal energy

• the metal pan removes thermal energy

Tags

NGSS.MS-PS3-3

Water has a density of 1.0 g/cm of water. Which substance will float in water?

• glass bead (2.7 g/cm)

• copper coin (9.0 g/cm)

• Wood block (0.7 g/cm)

• clay bead (1.3 g/cm)

What property of matter describes its ability to flow?

• Density

• Viscosity

• Hardness

• Elasticity

Tags

DOK Level 2: Skill/Concept

• The mass of 2 is greater than the mass of 1

• The mass of 2 is less than the mass of 3

• The mass of 2 is greater than the mass of 3

• The mass of 1 is less than the mass of 3

Density is the measure of

• The weight of an object

• the mass of an object

• the amount of space an object fills

• the amount of mass in a given space

Which of the following has magnetic properties?

• plastic straw

• metal paperclip

• rubber eraser

• wooden desk

• solid

• liquid

• gas

• not enough information

Which substance below is NOT soluble in water?

• sugar

• lemon juice

• salt

• oil