Lesson

What is a turbine?

• A device that measures wind speed

• A wheel or rotor that is made to rotate by moving water or air

• A machine that generates electricity from solar energy

• A type of engine used in cars

Tags

NGSS.MS-ETS1-4

What are balanced forces?

• Forces that are equal in size but act in the same direction

• Forces that are equal in size but act in opposite directions

• Forces that are unequal in size and act in opposite directions

• Forces that are unequal in size and act in the same direction

How can you tell if a rock is an extrusive igneous rock?

• It will have obvious pieces of sediment or layers visible.

• The mineral crystals will be too small to see.

• It will have fossils.

• It will have large, visible crystals of minerals.

What process is used to form sedimentary rocks?

• Lava cools and hardens to form a rock.

• Weathering, Erosion, Deposition, Compaction, Cementation

• Extreme heat and pressure from inside the Earth turn rocks into new rocks.

• Magma trapped under the Earth's surface cools and solidifies.

What is the primary gas found in the Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

Which of the following is a renewable energy source?

• Coal

• Natural Gas

• Solar Power

• Nuclear Power

What is the chemical formula for table salt?

Which organelle is known as the powerhouse of the cell?

• Nucleus

• Ribosome

• Mitochondria

• Chloroplast

Tags

NGSS.MS-LS1-2

What is the process by which plants make their food using sunlight?

• Respiration

• Photosynthesis

• Transpiration

• Fermentation

Tags

NGSS.MS-LS1-6

Which planet is known as the Red Planet?

• Venus

• Mars

• Jupiter

• Saturn