Science 4 Quarter 2

When something rusts, what type of change is it going through?

• Physical change

• Chemical change

• No change

• Both physical and chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Burning a candle is a chemical change. What is the primary evidence that burning the candle is a chemical reaction?

• change in color

• change in odor

• formation of a solid

• temperature change

Tags

NGSS.MS-PS1-2

To make a cake, you combine flour, yeast, sugar and eggs. After mixing the ingredients, you place them in a pan in the oven to cook. When this mixture is placed in the oven, it expands (rises) and then gets firmer. The change the cake mix is undergoing is

• a heat change

• a phase change

• a chemical change

• a physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

An example of a chemical change is

• burning wood

• breaking a glass

• folding paper into a frog

• molding clay into a snake

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Keri can hear Paul bouncing a basketball from across the gym. Which statement explains how energy from the basketball is transmitted to Keri on the other side of the gym?

• She hears the bouncing sound that traveled to her through sound waves.

• She hears the sound waves that are transferred to her by the pull of gravity.

• She feels the wind created by the ball pushing through the air molecules.

• She feels the vibrations that travel from the ball, through the floor, and to her shoes.

Tags

NGSS.MS-PS4-2

Which of these is a form of light energy?

• Cloud

• Flame

• Mirror

• Moon

Tags

NGSS.MS-PS4-2

Nora's class is studying heat at school. Her teacher asked everyone to keep a list over the weekend of different ways they saw heat being produced. Nora's family went camping. Which way did her family MOST LIKELY produce heat energy while camping?

• by burning

• by friction

• by electricity

• by mixing things

Mr. Rodriguez's class was instructed to design an experiment to demonstrate how mechanical energy can change the direction of an object. Which experiment is the BEST experiment to show this concept?

• Hitting a tennis ball with a racket away from yourself.

• Slowly rolling a basketball down the hallway in a straight line.

• Testing how many pennies it takes to sink a boat made of popsicle sticks.

• Cooking a hot dog in a homemade oven made of aluminum foil and cooked in the Sun.

Barry hit a home run in the last inning of the championship baseball game. He used the chemical energy from the breakfast he ate in the morning to be able to swing the bat. What type of energy is used to propel the ball as it is hit by the bat?

• mechanical

• radiation

• solar

• thermal

Tags

NGSS.MS-PS3-5

Lucy tells her classmates that while she was at the lake, she realized that when she dove underwater, she couldn't hear anything. Lucy thinks this is because sound can not pass from the air into the water. Is she right?

• It depends on how deep Lucy dove.

• It depends on the volume of the sound.

• No, sound vibrations can pass from air to water.

• Yes, sound vibrations cannot pass from air to water.

Tags

NGSS.MS-PS4-2