Chemistry
Biology
Physics
Space
Random from all units
100

Question: What are the small particles that make up all matter?

Atoms

100

Question: What is the smallest unit of life?

Answer: Cell

100

Question: What is the state of matter that has a definite shape and volume?

 Answer: Solid.

100

Question: How many planets are in our solar system?

Eight

100

What are mixtures that can be separated by physical means called?

 Heterogeneous mixtures.

200

Question: What do you call a mixture where the components cannot be easily separated?

Answer: Solution.

200

Question: What organelle in the cell provides energy?

Answer: Mitochondria.

200

Question: What happens to a substance when it melts?

It changes from a solid to a liquid

200

Question: How many planets are in our solar system?

Eight

200

 What are mixtures that can be separated by physical means called?

Answer: Heterogeneous mixtures

300

What is the symbol for Argon?

Answer: Ar

300

Question: What are the two main types of cells?

Answer: Plant and animal cells.

300

Question: What is the force that keeps objects on the ground?

Gravity

300

Name 5 planets

Any of these 5: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

300

What are mixtures that can be separated by physical means called?

Answer: Heterogeneous mixtures

400

What is the difference between a molecule and a compound?

Answer: A molecule is two or more atoms together, and a compound is made of different elements

400

What is the process by which plants make their food?

Answer: Photosynthesis.

400

What are the three types of charges?

Positive, negative, and neutral.

400

What is the lineup of planets from the Sun?

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.

400

 What does the Sun do in photosynthesis on Earth?

Answer: It provides the energy needed to convert carbon dioxide and water into glucose and oxygen.

500

How many electrons does neo have in its outer shell?

Answer: Eight

500

What is primary succession?

Answer: The development of an area without soil or life

500

What is static electricity?

Answer: Electrical charge on a surface.

500

What are 3 greenhouse gases?


Methane, oxygen, hydrogen

500

 What is the difference between a quantitative and qualitative observation?

Answer: A qualitative observation is based on the 5 senses, a quantitative can be measured