Properties of Matter

Which conclusion best compares a property of cooking oil and water shown in this investigation?

• Cooking oil is less dense than water.

• Water is less dense than cooking oil.

• Water dissolves in cooking oil.

• Cooking oil dissolves in water.

Tags

NGSS.MS-PS1-2

Why are protective gloves necessary?

• The metal pan creates thermal energy.

• The metal pan insulates thermal energy.

• The metal pan conducts thermal energy.

• The metal pan reduces thermal energy.

Tags

NGSS.MS-PS3-3

Which list shows the blocks in order from least to greatest mass?

• Blocks N, M, L, P

• Blocks P, M, L, N

• Blocks N, L, M, P

• Blocks P, L, M, N

Which of the following explains a useful method for removing some of these objects?

• The keys and coins are less dense than water, so they can be easily picked up off the bottom of the pool by divers.

• The foam cups have the same density as water, so they can be crumbled up for removal by the pool filter.

• The foam cups are less dense than water, so they can be removed from the surface with a pool cleaning net.

• The key and coins have the same density as water, so they can be washed away when the pool is drained.

What did the student most likely record as the mass of the water and bag?

• 10 grams

• 16 grams

• 20 grams

• 24 grams