Pea plant clones are giving different amounts of water for three-week period. The first pea plant receives 400 milliliters a day. The second pea plant receives 200 milliliters a day. The third pea plant receives 100 milliliters a day. The fourth pea plant does not receive any extra water: the plant only receives natural ways of receiving water. The heights of the pea plants are recorded daily. What is the independent variable?

• the different amounts of water

• the heights of the pea plant

• the pea plants

• the natural ways of receiving water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. The heights of the trees are measured once a week. What is the control?

• the humidity levels

• the heights of the trees

• all the redwood trees

• the one tree left outside

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A study was done to find if different tire treads affect the braking distance of a car. What is the independent variable?

• the breaking distance

• the treads

• the study

Tags

NGSS.MS-PS2-2

A study was done to find if different tire treads affect the braking distance of a car. What is the dependent variable?

• the breaking distance

• the different tire treads

• the study

One tank of goldfish is fed the normal amount of food once a day. A second tank is fed twice a day. A third tank is fed four times a day during a six week study. The fish’s weight is recorded daily. What is the dependent variable?

• Fish fed once a day

• the fish

• the fish's weight

• amount of food

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

One tank of goldfish is fed the normal amount of food once a day. A second tank is fed twice a day. A third tank is fed four times a day during a six week study. The fish’s weight is recorded daily. What is the independent variable?

• Fish fed once a day

• The fish

• the fish's weight

• amount of food

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. The heights of the trees are measured once a week. What is the independent variable?

• the humidity levels

• the heights of trees

• all the redwood trees

• the one tree left outside

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Pea plant clones are giving different amounts of water for three-week period. The first pea plant receives 400 milliliters a day. The second pea plant receives 200 milliliters a day. The third pea plant receives 100 milliliters a day. The fourth pea plant does not receive any extra water: the plant only receives natural ways of receiving water. The heights of the pea plants are recorded daily. What is the dependent variable?

• the different amounts of water

• the heights of the pea plant

• the pea plant

• the natural ways of receiving water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Timmy wants to the affect that different colored lights have on plant growth. He places the first plant in green light. He places the second plant in blue light and the third in red light. He placed the fourth plant in normal white light. Which of these plants is the control?

• First plant

• Second plant

• Third plant

• Fourth plant

Students measured the temperature of the water at different depths in Lake Skywalker and

found that the temperature varied. What was the independent variable?

• Lake Skywalker

• the temperature of water

• the different depths