class9 science

Which of the following is NOT a cell theory.

• All non-living things are made of cells
• All cells come from pre-existing cells
• Cells are the basic unit of structure and function of all living things

This scientist discovered and named the cell.

• Robert Hooke
• Anton Van Leeuwenhoek
• Goldberg
• Mathias Schleiden

What is the atomic number of oxygen?

• 5

• Sandwich

• 8

• 17

What is the molecular structure of table salt?

• Sandwich

• Molecular who?

• H2O

• NaCl

Biology is the study of what?

• Life

• Sandwich

• The human brain

• Weather

Energy=____to the speed of light squared

• Gravity

• Mass

• Sandwich

• Lightning

What female Nobel Prize winner conducted research on radioactivity?

• Sandwich

• Tierra Guinn

• Marie Curie

• Isaac Newton

Tags

CCSS.RI.4.5

CCSS.RI.5.5

CCSS.RI.6.5

CCSS.RI.7.5

CCSS.RI.8.5

What is the formula for force?

• Net force $\div$ Mass

• Sandwich

• Mass $\times$ Acceleration

• Mass $\times$ Velocity

What was the first animal sent into space?

• Alfred the monkey

• Laika the dog

• Ursula the fish

• Sandwich

How long does it take for light to get from the Sun to the Earth?

• 150 million years

• 10 seconds

• 8 minutes

• Sandwich