Science 2.6 Review, 2nd Grade

Identify which object shows a liquid.

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Tags

NGSS.5-PS1-3

Jacob collected three smooth, round objects: a marble, a soccer ball, and a bowling ball. Which word can be used to describe the soccer ball and bowling ball in terms of size compared to the marble?

• harder

• larger

• more

Classify the objects by texture. Which items are soft or hard?

• Soft

• B. Rock

• Hard

• A. Pillow

• Soft

• C. Cotton

• Hard

• D. Steel

Meg is classifying items by their relative temperature. Which items would she classify as hot? Choose TWO correct answers.

• cup of coffee

• fire

• glass of lemonade

• ice cream cone

• snow

Tags

NGSS.MS-PS1-4

Roberto is sorting and classifying the objects shown by their flexibility. Which statement is a conclusion Roberto can make about the flexibility of these objects?

• All of the objects have the same flexibility.

• The brick has more flexibility than the rubber band.

• The plastic drinking straw has more flexibility than the pencil.

Hattie put on a safety tool before rubbing a piece of wood with sandpaper. Which sentence identifies how this tool is used for safety during classroom investigations?

• It is worn to protect eyes.

• It is worn to protect hands.

• It is worn to protect clothes.

Look at the picture. Alex is testing how he can change a piece of wood by sanding it. Which identifies the property of the wood that is changing?

• color

• shape

• texture

Tags

NGSS.5-PS1-3

Sasha conducted an investigation. On a hot day, she put ice outside and watched the ice melt. Which sentence identifies how the physical properties of the ice changed when the ice melted?

• The ice changed from a solid to a liquid.

• The ice changed from a liquid to a solid.

• The ice did not change and stayed a solid.

Tags

NGSS.MS-PS1-4

Lilibet wants to investigate two bottles of milk. She put one bottle in the refrigerator and one in a cooler. Both the refrigerator and the cooler have a current temperature of 6°C. The milk will freeze when it gets to 0°C. How much cooler does it need to get to freeze her milk?

• 0 °C

• 3 °C

• 6 °C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Samuel conducted an investigation with an ice cube, a block of wood, and a sheet of paper. He changed the physical properties of each object. How did he change each object?

• He changed the texture by sanding it.

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• He changed the shape by melting it.

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• He changed the size by cutting it.

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Tags

NGSS.MS-PS1-4