Science Quiz

A group of students was challenged to construct a boat that could transport 10 milliliters (13.38 grams) of corn syrup across a small, plastic swimming pool. Which question will best help the students design their boat?

• What is the mass of the boat and the corn syrup?

• What force is needed to push the boat across the length of the pool?

• What boat shape is needed to lower the density of the boat and the corn syrup?

• What is the distance from one point of the pool to the point on the exact opposite side?

Tags

CCSS.5.MD.C.3

CCSS.5.MD.C.4

CCSS.5.MD.C.5

A student needs to separate a mixture composed of iron filings and sand. How can the student most easily separate all the iron filings from the mixture?

• Use a magnet to attract the iron filings.

• Use filter paper to isolate the iron filings.

• Add water to the mixture and pour off the floating iron filings.

• Add water to the mixture and allow it to evaporate and leave behind the iron filings.

Changes in a state of matter is caused by changes in temperature. An increase in temperature causes which of the following to happen?

• An increase in temperature causes a liquid to boil.

• An increase in temperature causes water to freeze.

• An increase in temperature causes gas change to solid.

• An increase in temperature will cause a liquid to solidify.

Which of the following is always true about the particles that make up matter?

• They are the same size in all substances.

• They are locked into regular arrangements.

• They can only be found in solid substances.

• They are too small to be seen with only our eyes.

Snack mix, salt water, and milk are examples of ___________________.

• mixture

• elements

• compounds

• solutions

Which of the following materials would reflect the most light?

• A dark brown carpet square

• A flat sheet of aluminum foil

• A smooth, black-topped table

• A piece of red construction paper

Which action is an example of a chemical change?

• melting ice

• tearing paper

• mowing grass

• baking brownies

Changing materials into different shapes or smaller pieces, heating and cooling, and melting and freezing - no new matter is created

• Physical Change

• Chemical Change

• Physical Property

• Chemical Property

The freezing point of water is a

• physical property

• physical change

• chemical property

• chemical change

A student watches a burning candle and writes down her observations. Which observation represents a chemical change?

• The candle wax melts.

• The size of the candle reduces.

• The candle wick burns with a flickering flame.

• The hot wax flows down the candle and later hardens.