2nd Grade Big Idea 1

If leaves are brown and on the ground under a tree with green leaves, what could be the reason for the brown leaves?

• The brown leaves are not alive.

• The brown leaves were all colored.

• The brown leaves are from other trees.

Sue is redoing an experiment. Why would she do the same experiment again?

• because it wasn't right the first time

• because she wants to show how smart she is

• because scientists always investigate new ways to solve problems

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-4

If you and your friend both measure the same plant, what should you expect to happen?

• your measurements will be similiar

• your measurements will be different

• your measurement will be better than your friends

Sammy wants to go to the pool today. His mom tells him no because it's going to rain. What should he ask his mom?

• Can we go to the park?

• What is the temperature outside?

• How do you know it will rain today?

Tags

NGSS.MS-ESS2-5

Which is an example of an inference rather than an observation?

• the grasshoppers moved from grass to a shaded area

• the grasshoppers moved to shade because it was too hot

• the grasshoppers moved to shade when the sun was shining

Which of the folowing is an example of an observation instead of an inference?

• the cat ate all of the food

• the cat liked the dog better

• the cat did not like the food

Why do scientists repeat investigations?

• they want to become better scientists

• they want to make sure their results are similar

• they enjoy working and want to do it again

What is true about an investigation?

• there are many ways to investigate a question

• there is only one correct way to investigate a question

• all scientists follow the same steps for every investigation

Tags

NGSS.MS-PS2-2