TOEFL Vocabulary

What is the term for the amount of matter in an object?

• Mass

• Volume

• Density

• Weight

Which of the following is a chemical change?

• Melting ice

• Boiling water

• Burning wood

• Dissolving sugar

Tags

NGSS.MS-PS1-2

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

• Oxygen

• Nitrogen

• Carbon Dioxide

• Hydrogen

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

• Respiration

• Photosynthesis

• Transpiration

• Fermentation

Tags

NGSS.MS-LS1-6

Which of the following is a renewable energy source?

• Coal

• Natural Gas

• Solar Power

• Nuclear Power

What is the smallest unit of life?

• Organ

• Tissue

• Cell

• Molecule

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

NGSS.MS-LS1-3

What is the chemical formula for water?

Tags

NGSS.MS-PS1-1

Which organelle is known as the powerhouse of the cell?

• Nucleus

• Ribosome

• Mitochondria

• Chloroplast

Tags

NGSS.MS-LS1-2

What is the acceleration due to gravity on Earth?

Which element is represented by the symbol 'O'?

• Osmium

• Oxygen

• Gold

• Oganesson