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100

What is the process of liquid turning into gas

A: Condensation

B:Evaporation

C:Freezing

B:Evaporation

100

What part of the human body heals the fastest

A:Nose

B:Eye

C:Tongue

C:Tongue

100

What is the main gas in the air we exhale

A:Oxygen 

B:Carbon Dioxide

C:Nitrogen

B:Carbon Dioxide

100

What is the only organ that cannot have cancer

A:Stomach

B:Liver

C:Heart

C: heart

100

What are the three states of matter?

Gas, Liquid, Solid
200

Why is the grass green

because it contains chlorophyll, a green pigment in its cells that absorbs light energy for photosynthesis

200

Where is the smallest human bone located

A:Hand

B:Leg

C:Ear

C:Ear

200

What animal grow limbs

starfish

200

Which fruits are known for its high fiber content

A: Apple

B:Pineapple

C:Grape

A:Apple

200

What is the difference between a physical change and a chemical change?

A physical change alters a substance's form but not its chemical composition, while a chemical change creates entirely new substances with different properties through the breaking and forming of chemical bonds

300

why is the sky blue?

Gases in the Earth's atmosphere particularly nitrogen and oxygen.

300

What type of blood cells help fight infections in the human body

A: Red blood cells

B:White blood cells

C:Plateslets

B:White blood cells

300

Which metal is often used to make coins

copper

300

How many bones does an adult human have

206

300

What is the outermost layer of the Earth called? 

the crust

400

What is the protein that makes blood red

A:Hemoglobin

B:Myoglobin

C:Collagen

A:Hemoglobin

400
Which element is needed for strong bones?

A: sodium

B:Iron

C:Calcium

C:Calcium

400

What unit is used to measure electric current

A:volt

B:Ampere

C:Watt

B: Ampere

400

Which sea creature has 3 hearts

A:Shark

B:Octopus

C:Whale

B: Octopus

400

Which is known as the king of chemicals

Sulfiric acid

500
What does bone marrow produce

A:Nerve Cell

B:Red blood cells

C:Hormones

B:Red blood cells

500

What is main component of air?

A: oxygen

B: Nitrogen

C: Carbon Dioxide

B:Nitrogen

500

What percent of the human brain is water

80%

500

which of the following has the highest ph volume

A: Lemon juice

B:Vinegar

C:Baking soda

C: Baking soda

500

Which house hold item can be used to polish wooden furniture

A:Olive Oil

B:Vinegar

C:Lemon Juice

A:Olive oil