Review Unit 1 : Matter

If a lemon sinks in water is because...

• The water has salt

• The lemon is more dense than water

• The lemon is less dense than water

Which property determines whether an object floats or sinks in water?

• Color

• Density

• Shape

A beach ball floats in water because

• it has a massive volume

• it is more dense than water

• it is less dense than water

Tags

NGSS.MS-PS2-5

Emma is conducting an experiment to find out which substances dissolve in water. She has four samples: sand, salt, pebbles, and oil. Which of the following substances is soluble in water?

• Sand

• Salt

• Pebbles

• Oil

A lego piece floats in water and floats in syrup.

A piece of metal sinks in water and sinks in syrup.

A tennis ball sinks in water and floats in syrup.

Which one has the greatest density?

• Lego piece

• Metal piece

• Tennis ball

• All of them

Which conclusion can be made about the samples on the table?

• Sample 1 could be rocks

• Sample 2 could be a metal piece

• Sample 3 could be water

• Sample 4 could be a penny

Which of the following materials is the weakest conductor of electricity?

• copper wire

• lemon juice

• steel spoon

• rubber band

Based on the picture, we can determine that sand ___________.

• will dissolve in water.

• will not dissolve in water.

• floats in water.

• is less dense than water.

Tags

NGSS.MS-PS1-2

I allow thermal and electric energy though. I am usually a metal.

Who am I?

• Insulator

• Magnetism

• Conductor

• Solubility

Tags

NGSS.MS-PS3-3

I am anything that has mass. I am anything take up space.

Who am I?

• Mass

• Magnetism

• Matter

• Volume

Tags

NGSS.MS-PS1-5