Lesson 1 and Lesson 2-How can I smell things from a distance

Why do scientists add mercaptan to natural gas?

• The flowery smell makes your house smell wonderful.

• The smell of bread baking makes people think of food.

• The rotten egg smell alerts people to gas leaks.

• The burning smell alerts people that there is a fire.

How do we smell different odors?

• The odors become part of the air.

• The odors become part of the water.

• The odors become part of the house.

• The odors become part of your nose.

Tags

NGSS.MS-LS1-8

What is mass? Check all of the answers that are true about mass.

• It is measured in pounds.

• It is the amount of matter in an object.

• It is measured in grams.

• It changes when you are on the Moon.

What is volume? Check all of the answers that are true about volume.

• It is how much something weighs.

• It is measured in cubic centimeters.

• It is measured in liters.

• It is the amount of space an object takes up.

Tags

NGSS.5-PS1-3

Why is air matter? Check all of the answers that are correct.

• Air has mass.

• Air has volume.

• Air is invisible.

• Air is something I cannot feel.

What type of graph is this?

• bar graph

• line graph

• circle graph

• pictograph

Tags

NGSS.MS-PS3-1

What relationship is this graph showing?

• As the number of pumps of air increases, the mass of the ball decreases.

• As the number of pumps of air decreases, the mass of the ball increases.

• As the number of pumps of air decreases, the mass of the ball decreases.

• As the number of pumps of air increases, the mass of the ball increases.

True or False: Odors have mass and volume and are therefore matter.

• True

• False

What is the name of these scientific instruments?

• rulers

• scales

• graduated cylinders

• balances

When we measure the volume of an irregular object such as a rock, we use _____________________.

• water displacement.

• length x width x height.

• a scale.

• a balance.