Benchmark #1 Review

Which of these is the best conductor of electricity?

• glass bowl

• copper wire

• plastic pipe

• string

Which of these best demonstrates the reflection of light?

• Looking through a glass door

• Looking at an image formed on a silver plate

• Looking at a lamp that is turned on

• Looking at a black cloth

Tags

NGSS.MS-PS4-2

Mr. Reincke mixes sugar into water. After a minute, the sugar cannot be seen in the water. Mr. Reincke then heats the mixture until the water evaporates and the sugar is left at the bottom of the beaker. Which property of sugar is he demonstrating?

• Density

• Conductivity

• Mass

• Solubility

Tags

NGSS.MS-PS1-2

A father wears protective gloves to pull a metal pan out of the oven. Why are the protective gloves necessary?

• The metal pan insulates thermal energy.

• The metal pan creates thermal energy.

• The metal pan conducts thermal energy.

• The metal pan reduces thermal energy.

Tags

NGSS.MS-PS3-3

Which of the following materials is magnetic, as well as, a good conductor of electricity?

• Glass

• Wood

• Iron

• Paper

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Lisa pours the same amount of salt, sugar, sand, and cinnamon into 4 separate graduated cylinders. Each have 75 ml of water. Which question is she most likely trying to answer with this investigation?

• What causes a substance to sink when put in water?

• Which substances dissolve in water?

• At what water temperature do the substances dissolve?

• How much water is needed to cause a substance to change state?

Soft drink companies add sugar to their drinks. Which property of the sugar remains the same when the sugar is in the soft drink?

• size

• color

• texture

• taste

Tags

NGSS.MS-PS1-2

When a substance like sugar is stirred into water, it dissolves. What does this mean?

• The mass of the sugar decreases.

• The mass of the sugar increases.

• The sugar is evenly distributed in the water.

• The sugar disappears and is no longer there.

Tags

NGSS.MS-PS1-2

The picture below shows one way electrical energy is produced. What type of energy is used to create the electrical energy?

• Light Energy

• Sound Energy

• Thermal Energy

• Mechanical Energy

Objects that need solar power to run need what type of energy from the sun?

• Light

• Thermal

• Sound

• Mechanical

Tags

NGSS.MS-PS3-3