Review for PhD Module 1 Lessons 1-8

I have a bucket of sand and shells from the beach and I use a sieve to separate the sand from the shells into a different bucket. What property am I using to separate the sand from the shells?

• magnetism

• solubility (able to be dissolved)

• size

• texture

Grace observed a 30 mL container of a clear substance. She noticed when she poured it from a cup to a bag, it flowed and took on a new shape but kept the same volume. When she poured it again into a cylinder, the shape changed but volume remained the same. What state of matter was Grace observing?

• solid

• liquid

• gas

• plasma

True or False:

The air inside a basketball has height

• True

• False

True or False:

The air inside a basketball has weight.

• True

• False

True or False:

The air inside a basketball has volume.

• True

• False

As Kali is walking outside, she can tell that someone is cooking a barbecue nearby. Which best explains WHY she can tell?

• Heat from the grill can be felt by Kali.

• The air that touched the food has reached Kali's nose.

• Invisible particles of food float in the air to reach Kali's nose.

How many milliliters are in 5 liters?

• 50

• 500

• 5000

• 50,000

What is the volume of the rock? The water level is displaced from 20 mL to 23 mL with the rock.

• 3 mL
• 23 mL
• 20 mL
• 43 mL

Which statement is true?

• Oil is the most dense substance.
• Corn syrup is less dense than water.
• Oil is less dense than water.
• Oil and corn syrup have the same density but different masses.

Tags

NGSS.MS-PS1-2

Molecules in a solid are

• close together
• glide past each other
• far apart