Post Test

A student put a cap on a bottle, trapping room-temperature air inside. He put the bottle in the freezer for 15 minutes, then took it out and saw that the bottle looked different. What caused the bottle to change shape?

• Some of the air particles got out of the bottle.

• The air particles cooled and became smaller.

• The air particles settled to the bottom of the bottle.

• The air particles in the bottle got closer together.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is the chemical formula for water?

Tags

NGSS.MS-PS1-1

Which planet is known as the Red Planet?

• Earth

• Mars

• Jupiter

• Venus

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

• Respiration

• Photosynthesis

• Transpiration

• Digestion

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the force that pulls objects toward the center of the Earth?

• Magnetism

• Friction

• Gravity

• Electricity

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which organ in the human body is primarily responsible for pumping blood?

• Lungs

• Brain

• Heart

• Liver

What is the boiling point of water at standard atmospheric pressure?

• 0°C

• 50°C

• 100°C

• 150°C

Tags

NGSS.MS-PS1-4

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

• Oxygen

• Hydrogen

• Nitrogen

• Carbon Dioxide

What is the hardest natural substance on Earth?

• Gold

• Iron

• Diamond

• Silver

What is the basic unit of life?

• Organ

• Tissue

• Cell

• Organism

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2