EOG Life Science

How would the campers know that a chemical change has taken place?

• The logs changed shape.

• The rocks glowed when heated.

• The wood became a different substance.

• The ground absorbed heat from the coals.

Tags

NGSS.MS-PS1-2

After throwing a basketball through the net, Anna observed the ball as it hit the ground. Which is most likely responsible for the ball hitting the ground?

• friction

• gravity

• mass

• speed

The graph below shows the speed of runners during a race.

How can the movement of the runners be accurately compared

(speed = distance ÷ time)?

• The red runner had a faster start than the green runner.

• The red runner ran at constant speed for a longer duration than the green runner.

• The red runner stopped running for a longer duration of time than the green runner.

• The red runner had more changes in speed than the green runner in the first 45 seconds.

Tags

NGSS.MS-PS3-1

Water evaporates quickly in the hot part of the day. Water that evaporates goes into the air. It does not stay in the soil. Penny needs to water her vegetable garden. She wants most of the water to stay in the soil. That way, her plants can use the water. When should she water her garden?

• 6 a.m.

• 10 a.m.

• 2 p.m

• 10 p.m.

Tags

NGSS.MS-ESS2-4

Ms. Morgan’s class took a trip to a lake. The students observed a dark mark on the rocks above the surface of the lake. Ms. Morgan. said the mark showed where the water level in the lake had been in the past.

What MOST likely happened to lower the water level in the lake?

• Ice formed over the lake.

• Rainfall around the lake increased.

• Lightning struck the surface of the lake.

• Air temperatures around the lake increased.

Tags

NGSS.MS-ESS2-4

Figure 1 diagram shows an ice cube in a cup. Figure 2 shows the ice cube melted to water in the cup.

Which property of the ice cube remains the same both before and after it melted?

• color

• shape

• weight

• temperature

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

A student pours ¼ cup of salt on a scale. The student then puts 3 cups of water in a container on the scale, and records the weight of the salt and the container of water. The student pours the salt into the container of water, and waits for it to dissolve. The student then weighs the salt and water solution. Which of the following best describes the weight of the salt and water mixture compared to the weight of the salt and water before they were mixed? The weight of the salt and water mixture will be the same, because the mass of the salt and the mass of the water did not change. The weight of the salt and water mixture will be less, because the salt lost some of its mass when it dissolved. The weight of the salt and water mixture will be more, because the salt molecules will inflate, causing the mass to increase. The weight of the salt and water mixture will be more because the water absorbes the salt, which increases in mass.

• The weight of the salt and water mixture will be the same, because the mass of the salt and the mass of the water did not change.

• The weight of the salt and water mixture will be less, because the salt lost some of its mass when it dissolved.

• The weight of the salt and water mixture will be more, because the salt molecules will inflate, causing the mass to increase.

• The weight of the salt and water mixture will be more because the water absorbes the salt, which increases in mass.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is a chemical change?

• frying an egg

• boiling water

• breaking a glass cup

• crushing a piece of bread

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How is a plant different from bacteria?

• A plant is a multi-celled organism in which each cell performs a specific function. Bacteria is a single-celled organism in which one cell performs all functions.

• Bacteria is a multi-celled organism in which each cell performs a specific function. A plant is a single-celled organism in which one cell performs all functions.

• A plant is a multi-celled organism in which one cell performs all functions. Bacteria is a single-celled organism in which each cell performs a specific function.

• Bacteria is a multi-celled organism in which one cell performs all functions. A plant is a single-celled organism in which each cell performs a specific function.

Tags

NGSS.MS-LS1-1

Which characteristic do single-celled organisms and multicellular organisms have in common?

• Both have cells with specialized functions for each life process.

• Both perform all life processes within one cell.

• Both have a way to get rid of waste materials.

• Both are able to make food from sunlight.