7R Final Test Review

The independent variable in the investigation is the (look at the picture)

• Amount of water in each cup

• Amount of food coloring in each cup

• The cup of water receiving no food coloring

Tags

NGSS.MS-PS3-4

An appropriate hypothesis for the experiment would be: (look at the picture)

• Do dark colored materials heat up faster than light colored materials?

• If dark and light colored materials were placed in the sun for an equal amount of time, then the dark colored materials would heat up faster because dark colors absorb more heat than light colors

• Does the amount of food coloring added to water affect the temperature?

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

NGSS.MS-PS3-5

The CONTROL set-up in the investigation is: (look at the picture

• The cup of water with no food coloring

• The cup of water with 30 drops of food coloring

• The temperature of the water

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

The mass shown on the Triple Beam Balance below is:

• 570.0 g

• 576.1 g

• 570.1 g

Is the following statement an observation or an inference? The ground is wet, so it PROBABLY rained.

• Observation

• Inference

What is the volume of the rock shown in the graduated cylinder below?

• 50 mL

• 30 mL

• 10 mL

A toy bat and a ruler are pictured below. What is the length of the toy bat in centimeters?

• 40.0 cm

• 4.2 cm

• 42.0 cm

Four children can feel and smell an object inside a bag, but they cannot see it. Which of the following is NOT an observation about the object?

• It is flat at one end and round at the other

• It smells like peppermint

• I hope it is candy

Tags

NGSS.2-PS1-1

The diagram below shows what occurred when a can of diet soda and a can of regular soda were dropped into a container of water. Which of the following statements best explains this observation?

• The can of regular soda is more dense than the can of diet soda.

• The can of regular soda has a larger volume than the can of diet soda.

• The can of regular soda has a smaller volume than the can of diet soda.

Tags

NGSS.MS-PS1-2

While washing some berries, a student observes that the blueberries sink in water and the strawberries float in water. Which statement explains this observation?

• A strawberry has more surface area than a blueberry.

• A blueberry has greater volume than a strawberry.

• A blueberry has greater density than a strawberry.