طريقة علمية

According to the picture, which of these is an inference, rather than an observation?

• This animal has hair.

• This animal has a tail.

• This animal is arching its back.

• This animal is frightened.

Which of these is a conclusion rather than an observation?

• This bear lives in a cold climate.

• This bear has big teeth.

• This bear has thick white fur.

• This bear has small ears and eyes.

Based on the picture above, which of these is a conclusion, rather than an observation?

• This animal has fur or hair.

• This animal has 4 legs.

• This animal is a mammal

• This animal is standing.

Which of these can be observed in this picture?

• The moon is circular.

• The moon spins around on its axis.

• The moon is solid rock.

• The moon has little air.

Tags

NGSS.MS-ESS1-1

Which of the following is an observation about grasshoppers that a science class could have made on their nature walk?

• Grasshoppers will live the longest in a container with plants.

• The grasshoppers are green with long back legs and antennae.

• The grasshoppers will probably eat more grass than tree leaves.

• The grasshoppers all hatched from eggs laid the year before.

Sandy grows roses along the walkway. The roses close to the street than the roses close to the house. Which statement is a hypothesis Sandy could make about her roses?

• There were many blooms on the roses near the house and fewer blooms on the roses closest to the street.

• The roses closest to the street had more blooms because they received more sunlight.

• The roses near the house were taller but had fewer blooms.

• The roses close to the house had fewer blooms and leaves.

Tags

NGSS.MS-LS1-5

A group of students was preparing an activity to determine whether certain materials will float or sink when placed on water. Before the experiment started, one student said, "I think the sponge will float." This statement was a:

• conclusion

• fact

• observation

• prediction

Students want to learn which of two soils holds more water. They put clay in one bottle and sand in the other. Then they put equal amounts of water in the bottles. Some of the water drained into the beakers. What is the Independent (Manipulated) Variable?

• type of soil

• type of beaker

• amount of water

• number of bottles

Tags

NGSS.MS-PS1-2

Three baseball players investigate to see who can throw a baseball the farthest. They mark off an area on the playground for their investigation. Which should they keep constant? (Same)

• height of the players

• color of the baseball

• order in which the players throw

• spot from which the players throw

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Max is doing an experiment on tomato plants. His hypothesis is, "A tomato plant will not grow in a shady area." Which of these relationships did Max base his hypothesis?

• warm temperature causes plant growth

• sunlight causes plant growth

• tall plants cause shade

• new plants need fresh water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-1