8.6ABC - Test Review

Water has very interesting properties. Which property makes water unique?

• Water is cohesive.

• Water is adhesive.

• Water has surface tension.

• All of the above

Which two images best represent surface tension?

• Water droplet on a surface and insect on water

• Plant with dew and cloudy sky

• Insect on water and plant with dew

• Cloudy sky and water droplet on a surface

Water on a leaf forms a droplet because of -

• adhesion.

• cohesion.

• gravity.

• acceleration.

The droplet sticks to the leaf due to—

• adhesion.

• cohesion.

• gravity.

• acceleration.

Which of the following elements is involved in the chemical reaction represented by the equation below?

• Magnesium

• Osmium

• Carbon

• Hydrogen

What type of matter is glucose in the photosynthesis process?

• Atom

• Element

• Compound

• Mixture

Why is oxygen considered an element in the photosynthesis process?

• It is made up of multiple types of atoms.

• It is only made up of one type of atom.

• It is a mixture of different substances.

• It is a form of energy.

What type of matter is carbon dioxide in the photosynthesis process?

• Atom

• Element

• Compound

• Mixture

In the context of photosynthesis, what is water classified as?

• Atom

• Element

• Compound

• Mixture

What is a pure substance of matter?

• Mixture

• Solution

• Element

• Compound