5th & 6th Grade Semester Test 2021

Students are comparing the body structures of insects they collected. What safety equipment should they wear while handling the insects?

• Gloves

• Aprons

• Hand Lenses

• Cameras

A student drops a large glass beaker on the floor, where it breaks. What should the student do first?

• Tell the teacher about the broken glass

• Tell other students not to use the glass beakers

• Use heavy gloves to pick up the broken glass

• Sweep up the broken glass with a broom and dustpan

A group of students is performing tests using two white powders that look like salt and sugar. Which is the BEST way to tell the powders apart during the experiment?

• Taste them.

• Feel their textures

• Label their containers.

• Closely observe them

Students cleaning up after an experiment discover there are substances left in a few of the beakers. Which of the following is the MOST appropriate safety procedure for the students who discovered the leftover substances?

• Throw the substances in the trash can.

• Follow the teacher's instructions for disposal.

• Pour the substances back into the original containers.

• Pour the substances down the drain.

Students made observations of several different substances and classified them into groups shown below. Which of the following materials should be classified into group 3 in this chart?

Group 1: Wood and Iron

Group 2: Water and Lemonade

Group 3: Helium and _______?

• Kool Aid

• Plastic

• Aluminum

• Oxygen

In which process does water change from a liquid into gas?

• Melting

• Evaporating

• Condensing

• Freezing

Which of the following shows a change in an object's state of matter?

• Grinding ice to make snow

• A banana turning brown

• Water turning into ice in the freezer

• Chilling an apple in the refrigerator

Students heated a beaker of water on a hot plate. They set a plastic spoon and a metal spoon in water. After a few minutes, the handle of the plastic spoon was warm. The handle of the metal spoon was very hot. Why was the metal spoon hotter?

• The plastic spoon is slower to melt than the metal spoon

• The metal is more magnetic than the plastic spoon.

• The plastic spoon is softer than the metal spoon

• The metal spoon is a better conductor than the plastic spoon

Determine the density in g/cm³ of a mineral that has a volume of 3.8 cm³ and a mass of 22.4 g.

• 5.89 g/cm³

• 18.6 g/cm³

• 25.8 g/cm³

• 66 g/cm³

My favorite candy has a volume of 10 cm³ and a mass of 100 grams. What is its density?

• 10 g/cm³

• 250 grams

• 83 g/cm³

• 72 g/cm³