Science Quiz

When James opened a can of soda, bubbles quickly formed and rose to the top. Which of these was released that had been dissolved in the liquid?

• gas solute

• liquid solute

• solid solute

• none

A scientist heats a beaker of water on a hot plate. As the temperature increases, what happens to the motion of the water particles?

• The particles stop moving completely.

• The particles lose energy and slow down.

• The number of particles increases.

• The particles gain energy and move faster.

Which of the following best describes a compound?

• A substance made of only one type of atom.

• A mixture of elements and compounds without chemical bonds.

• A mixture of two or more substances that can be easily separated.

• A pure substance made of two or more different elements chemically combined.

Emma is measuring the length of a plant stem during her science experiment. Which tool should she use to get the most accurate measurement?

• balance scale

• ruler or measuring tape

• stopwatch

• thermometer

Sophia poured water into a glass and noticed it takes the shape of the container but keeps the same volume. Which statement best describes the particles in the liquid?

• The particles are far apart and move very fast.

• The particles are fixed in place and vibrate only.

• The particles are tightly packed and don’t move

• The particles are close together but can slide past each other.

What do you call the process of changing a solid into liquid by heating it?

• condensation

• evaporation

• freezing

• melting

Liam sees water droplets on the outside of his cold juice glass. This an example of _______

• condensation

• evaporation

• freezing

• melting

What happens to the particle energy and movement of a gas as it’s temperature increases?

• Gain energy and move faster.

• Gain energy and move slower.

• Lose energy and move closer together.

• Lose energy but maintain the same spacing.

Mark is trying to dissolve sugar in a glass of water. Which action will help the sugar dissolve faster?

• Putting the glass in the fridge

• Using a larger spoon to scoop the sugar

• Stirring the water and using warm water

• Adding more sugar before the first one dissolves

During a science class, Mia learns that some solutions are made of gases. Her teacher explains that one common example is a mixture of different gases that we breathe every day. Which solution is her teacher talking about?

• air

• carbon dioxide

• oxygen

• smoke