Science Basics

What is the volume of this Graduated Cylinder?

• 35 mL

• 36.5 mL

• 37 mL

• 37.5 mL

Bacteria are grown in a petri dish. One side of the dish is sprayed with an antibiotic. After a week, the number of bacteria colonies is measured on each side. What is the dependent variable?

• the type of bacteria

• the number of bacteria colonies

• the use of antibiotic spray

• the petri dish

What is the volume of this Graduated Cylinder?

• 40 mL

• 35 mL

• 32 mL

• 38 mL

What do you notice about this graph? (check all that apply)

• The X and Y axis are missing information.

• The title is missing information.

• The bar graphs are spread too far apart.

• The increments on the Y axis are not increasing by the same amount.

Tags

NGSS.MS-PS3-1

What is not a property of all matter?

• Mass

• Volume

• Color

• Density

Design a project to compare the effects of physical changes (such as temperature and pressure) on different states of matter.

• Heat and cool water, ice, and steam to observe changes in state and record temperatures at which these changes occur.

• Freeze and melt different metals to see which one has the highest melting point.

• Apply pressure to various solids to determine their hardness.

• Observe the color changes in substances when heated without measuring temperature.

Tags

DOK Level 4: Extended Thinking

Which of the following is not a characteristic of gas?

• Has a definite volume

• Fills the shape of its container

• Can be compressed

• Expands to fill its container

Which of the following are direct observations? (check all that apply)

• There is a brightly colored bird in the cage.

• The bird eats 1 pound of food a week.

• The bird has yellow and blue feathers.

• The bird feels soft.

The independent variable is graphed on the:

• Y-axis

• X-axis

Tags

NGSS.MS-PS3-1

Mosquito repellent is sprayed on one arm, but not the other. The number of mosquito bites is counted on each arm for the next 3 hours. What is the independent variable?

• 3 hours

• number of mosquito bites

• use of repellent

• arms