Scientific Method

Which of the following is NOT a scientific fact about a rabbit?

• Rabbits must eat food in order to survive.

• The rabbit is 8cm long.

• The rabbit has white fur with black spots.

• Rabbits make good pets.

A student studied 3 identical plants. One plant was placed in direct sunlight. One plant was placed under a lamp. One plant was placed in a dark closet. What question could be answered by this scientific investigation?

• How do different kinds of plants respond to light?

• Which types of plants grow best in direct sunlight?

• How well do identical plants grow under different lighting conditions?

• How often fo you need to water plants growing in different amounts of light?

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Which statement is an opinion?

• Plants take in carbon dioxide and give off oxygen

• Plants are very pretty in the summer.

• Plants take in water through their roots.

• Some plants grow in dry soil.

A students wants to find out how much faster water heats up when it is in a copper pot than when it is in a steel pot. Which set of tools will be most useful for this investigation?

• hot plate, camera, hand lens

• thermometer, hot plate, stopwatch

• ruler, microscope, camera

• thermometer, hand lens, compass

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which instrument or tool would you use to measure how fast you can walk up 200 stairs?

• stopwatch

• telescope

• meterstick

• balance scale

A science class is recording the air temperature outside their classroom. Which instrument should they use?

• calculator

• stopwatch

• meter stick

• thermometer

The leaves of a potted marigold are drooping, and the soil is dry. Based on this information, which is the best explanation for what is wrong with the plant? The plant probably needs-

• more fertilizer

• more water

• more sunlight

• a bigger pot

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A girl finds a rock in the park next to her school. Which tool would most help her find out what the rock is made up of?

• hand lens

• binoculars

• a telescope

• a thermometer

Tags

NGSS.MS-PS1-1

The leaves of Gina's plant always face the Sun. Gina says this is because the leaves are happier when they are looking at the Sun. Which of these is a better explanation for Gina's observation?

• Leaves receive more oxygen if they face the sun.

• Plants that face the Sun have deeper roots.

• Plants absorb more water when they face the sun.

• Leaves that face the Sun receive more of the Sun's rays.

Tags

NGSS.MS-LS1-6

A girl is baking sugar cookies. She puts 20 balls of dough in a metal pan and 20 balls of dough in a glass pan. She notices that the cookie dough in the glass pan takes 8 minutes to bake and 12 minutes for the metal pan. What can the girl conclude from her observations.

• Her oven doesn't like metal pans.

• Metal pans are better for baking.

• Glass pans are better for baking.

• Both pans burned the cookies.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4