Fall 2025 Scientific Inquiry in Environment and Earth Sciences

If I floss more, then I will have fewer cavities. What is the independent variable?

• Number of cavities

• Amount of flossing

• Type of floss used

• Amount of brushing

Will a paper airplane made of construction paper fly faster than an plane made from notebook paper? Choose the hypothesis that is stated the best.

• If I make a paper airplane from notebook paper, it will fly faster than construction paper

• If I make a paper airplane from construction paper it will fly faster than one made of notebook paper.

• Construction paper is better than notebook paper so my paper plane will fly better if I use it.

• I think the construction paper air plane will fly faster.

Tags

NGSS.MS-PS2-2

A custodian notices some dirty tables and wants to know which cleaner is the best to use. He tests three different cleaners and looks at how well they clean compared to tap water. What is the independent variable?

• type of cleaner

• tap water

• cleanliness of table

• time spent cleaning

Tags

NGSS.MS-ETS1-3

A custodian notices some dirty tables and wants to know which cleaner is the best to use. He tests three different cleaners and looks at how well they clean compared to tap water. What is the control group?

• type of cleaner

• tap water

• cleanliness of tables

• time spent cleaning

Using the same washing machines and dryers, the same type of table cloths, the same temperature of water, the same type of water, the same washing and drying times - are the ______

• independent variable

• Dependent variable

• Experimental group

• Control Group

• Constants

You are managing a large lot of cattle. A pharmaceutical company wants you to try a new antibiotic to treat Shipping Fever in newly arrived cattle. The company claims that it is less expensive and more effective than the current antibiotic you are using. You will measure the temperature of the cattle to see whether or not it works. WHAT WOULD BE THE CONTROL GROUP, THE GROUP USED FOR COMPARISON?

• Type of cow

• Antibiotic

• No Antibiotic

• Temperature of Cattle

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What are the constants for this experiment?

• growth of plant and water

• type of plant, light, and water

• type of fertilizer and growth of plant

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

• beaker

• cylinder

• funnel

• florence flask

What lab safety rule is being broken in this picture?

• not paying attention

• sitting down

• loose hair close to the flame

• too close to the book

While digging in the backyard, you find an old coin. Its mass is 26.76 g and its volume is 3 cm³. What is the coin made of?

• Marble

• Quartz

• Copper

• Gold

• Platinum