Energy and Matter

In an experiment to test the effect of temperature on plant growth, what is the dependent variable?

• The type of plant used.

• The amount of water given to the plants.

• The growth rate of the plants.

• The type of soil used.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

If a scientist is measuring the effect of light intensity on photosynthesis, what is the dependent variable?

• The type of plant.

• The amount of light.

• The rate of photosynthesis.

• The temperature of the environment.

Tags

NGSS.MS-LS1-6

In a study on the impact of fertilizer on crop yield, what is the dependent variable?

• The type of fertilizer used.

• The amount of fertilizer applied.

• The yield of the crops.

• The type of crop grown.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

In an experiment to determine the effect of water pH on fish health, what is the independent variable?

• The type of fish.

• The pH level of the water.

• The health of the fish.

• The temperature of the water.

Tags

NGSS.MS-LS2-4

If a researcher is studying the impact of different fertilizers on plant growth, what is the independent variable?

• The type of plant.

• The type of fertilizer used.

• The growth rate of the plants.

• The amount of water given to the plants.

Tags

NGSS.MS-LS2-1

In a test to see how varying amounts of sunlight affect plant height, what is the independent variable?

• The type of plant.

• The amount of sunlight.

• The height of the plants.

• The type of soil used.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

Based on the data, which material is the best insulator for keeping liquids hot?

• Thin plastic.

• Thick foam.

• Thin metal.

• Thin glass.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3

NGSS.MS-ETS1-3

What conclusion can be drawn from the data about the cooling rates of different materials?

• Thin plastic cools water the fastest.

• Thick clay is the worst insulator.

• Thick foam and clay are better insulators than thin plastic and glass.

• Thin glass maintains temperature longer than thick foam.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

NGSS.MS-PS3-3

From the data, which material would be least effective in keeping a beverage cold?

• Thick foam.

• Thin plastic.

• Thick clay.

• Thin metal.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3

If two students get different results from the same experiment, what should they do next?

• Assume one student is correct and the other is wrong.

• Repeat the experiment to verify the results.

• Change the data to match each other.

• Average their results and report the average.

Tags

NGSS.MS-PS2-5